diff --git a/src/main/AndroidManifest.xml b/src/main/AndroidManifest.xml
index f96e9d3..47056e3 100644
--- a/src/main/AndroidManifest.xml
+++ b/src/main/AndroidManifest.xml
@@ -16,12 +16,6 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity
-            android:name=".ListViewActivity"
-            android:windowSoftInputMode="adjustPan" />
-        <activity android:name=".NetworkActivity" />
-        <activity android:name=".JSONActivity" />
-        <activity android:name=".NotificationActivity" />
         <activity
             android:name=".PaceCalculatorActivity"
             android:label="@string/title_activity_pace_calculator"
diff --git a/src/main/java/nyc/c4q/Books.java b/src/main/java/nyc/c4q/Books.java
new file mode 100644
index 0000000..bea2a2a
--- /dev/null
+++ b/src/main/java/nyc/c4q/Books.java
@@ -0,0 +1,247 @@
+package nyc.c4q;
+
+import com.google.gson.annotations.Expose;
+
+public class Books {
+
+    @Expose
+    private Integer id;
+    @Expose
+    private String title;
+    @Expose
+    private String author;
+    @Expose
+    private String isbn;
+    @Expose
+    private String isbn13;
+    @Expose
+    private String publisher;
+    @Expose
+    private Integer publishyear;
+    @Expose
+    private Boolean checkedout;
+    @Expose
+    private Integer checkedoutby;
+    @Expose
+    private Integer checkoutdateyear;
+    @Expose
+    private Integer checkoutdatemonth;
+    @Expose
+    private Integer checkoutdateday;
+    @Expose
+    private Integer duedateyear;
+    @Expose
+    private Integer duedatemonth;
+    @Expose
+    private Integer duedateday;
+
+    /**
+     * @return The id
+     */
+    public Integer getId() {
+        return id;
+    }
+
+    /**
+     * @param id The id
+     */
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    /**
+     * @return The title
+     */
+    public String getTitle() {
+        return title;
+    }
+
+    /**
+     * @param title The title
+     */
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    /**
+     * @return The author
+     */
+    public String getAuthor() {
+        return author;
+    }
+
+    /**
+     * @param author The author
+     */
+    public void setAuthor(String author) {
+        this.author = author;
+    }
+
+    /**
+     * @return The isbn
+     */
+    public String getIsbn() {
+        return isbn;
+    }
+
+    /**
+     * @param isbn The isbn
+     */
+    public void setIsbn(String isbn) {
+        this.isbn = isbn;
+    }
+
+    /**
+     * @return The isbn13
+     */
+    public String getIsbn13() {
+        return isbn13;
+    }
+
+    /**
+     * @param isbn13 The isbn13
+     */
+    public void setIsbn13(String isbn13) {
+        this.isbn13 = isbn13;
+    }
+
+    /**
+     * @return The publisher
+     */
+    public String getPublisher() {
+        return publisher;
+    }
+
+    /**
+     * @param publisher The publisher
+     */
+    public void setPublisher(String publisher) {
+        this.publisher = publisher;
+    }
+
+    /**
+     * @return The publishyear
+     */
+    public Integer getPublishyear() {
+        return publishyear;
+    }
+
+    /**
+     * @param publishyear The publishyear
+     */
+    public void setPublishyear(Integer publishyear) {
+        this.publishyear = publishyear;
+    }
+
+    /**
+     * @return The checkedout
+     */
+    public Boolean getCheckedout() {
+        return checkedout;
+    }
+
+    /**
+     * @param checkedout The checkedout
+     */
+    public void setCheckedout(Boolean checkedout) {
+        this.checkedout = checkedout;
+    }
+
+    /**
+     * @return The checkedoutby
+     */
+    public Integer getCheckedoutby() {
+        return checkedoutby;
+    }
+
+    /**
+     * @param checkedoutby The checkedoutby
+     */
+    public void setCheckedoutby(Integer checkedoutby) {
+        this.checkedoutby = checkedoutby;
+    }
+
+    /**
+     * @return The checkoutdateyear
+     */
+    public Integer getCheckoutdateyear() {
+        return checkoutdateyear;
+    }
+
+    /**
+     * @param checkoutdateyear The checkoutdateyear
+     */
+    public void setCheckoutdateyear(Integer checkoutdateyear) {
+        this.checkoutdateyear = checkoutdateyear;
+    }
+
+    /**
+     * @return The checkoutdatemonth
+     */
+    public Integer getCheckoutdatemonth() {
+        return checkoutdatemonth;
+    }
+
+    /**
+     * @param checkoutdatemonth The checkoutdatemonth
+     */
+    public void setCheckoutdatemonth(Integer checkoutdatemonth) {
+        this.checkoutdatemonth = checkoutdatemonth;
+    }
+
+    /**
+     * @return The checkoutdateday
+     */
+    public Integer getCheckoutdateday() {
+        return checkoutdateday;
+    }
+
+    /**
+     * @param checkoutdateday The checkoutdateday
+     */
+    public void setCheckoutdateday(Integer checkoutdateday) {
+        this.checkoutdateday = checkoutdateday;
+    }
+
+    /**
+     * @return The duedateyear
+     */
+    public Integer getDuedateyear() {
+        return duedateyear;
+    }
+
+    /**
+     * @param duedateyear The duedateyear
+     */
+    public void setDuedateyear(Integer duedateyear) {
+        this.duedateyear = duedateyear;
+    }
+
+    /**
+     * @return The duedatemonth
+     */
+    public Integer getDuedatemonth() {
+        return duedatemonth;
+    }
+
+    /**
+     * @param duedatemonth The duedatemonth
+     */
+    public void setDuedatemonth(Integer duedatemonth) {
+        this.duedatemonth = duedatemonth;
+    }
+
+    /**
+     * @return The duedateday
+     */
+    public Integer getDuedateday() {
+        return duedateday;
+    }
+
+    /**
+     * @param duedateday The duedateday
+     */
+    public void setDuedateday(Integer duedateday) {
+        this.duedateday = duedateday;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/nyc/c4q/BooksDbSchema.java b/src/main/java/nyc/c4q/BooksDbSchema.java
new file mode 100644
index 0000000..1bf0ad5
--- /dev/null
+++ b/src/main/java/nyc/c4q/BooksDbSchema.java
@@ -0,0 +1,28 @@
+package nyc.c4q;
+
+/**
+ * Created by jaellysbales on 8/30/15.
+ */
+public class BooksDbSchema {
+    public static final class BooksTable {
+        public static final String name = "books";
+
+        public static final class Cols {
+            public static final String ID = "id";
+            public static final String TITLE = "title";
+            public static final String AUTHOR = "author";
+            public static final String ISBN = "isbn";
+            public static final String ISBN13 = "isbn13";
+            public static final String PUBLISHER = "publisher";
+            public static final String PUBLISHYEAR = "publish year";
+            public static final String CHECKEDOUT = "checked out";
+            public static final String CHECKEDOUTBY = "checked out by";
+            public static final String CHECKOUTDATEYEAR = "check out date year";
+            public static final String CHECKOUTDATEMONTH = "check out date month";
+            public static final String CHECKOUTDATEDAY = "check out date day";
+            public static final String DUEDATEYEAR = "due date year";
+            public static final String DUEDATEMONTH = "due date month";
+            public static final String DUEDATEDAY = "due date day";
+        }
+    }
+}
diff --git a/src/main/java/nyc/c4q/DatabaseHelper.java b/src/main/java/nyc/c4q/DatabaseHelper.java
new file mode 100644
index 0000000..40e53b7
--- /dev/null
+++ b/src/main/java/nyc/c4q/DatabaseHelper.java
@@ -0,0 +1,53 @@
+package nyc.c4q;
+
+import android.content.Context;
+import android.database.DatabaseErrorHandler;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+import nyc.c4q.BooksDbSchema.BooksTable;
+
+/**
+ * Created by jaellysbales on 8/30/15.
+ */
+public class DatabaseHelper extends SQLiteOpenHelper {
+
+    private static final int VERSION = 1;
+    private static final String DATABASE_NAME = "booksBase.db";
+
+    public DatabaseHelper(Context context, String name, SQLiteDatabase.CursorFactory factory, int version) {
+        super(context, DATABASE_NAME, null, VERSION);
+    }
+
+    public DatabaseHelper(Context context, String name, SQLiteDatabase.CursorFactory factory, int version, DatabaseErrorHandler errorHandler) {
+        super(context, DATABASE_NAME, null, VERSION, errorHandler);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        db.execSQL("create table" + BooksTable.name + "(" +
+                        " _id integer primary key autoincrement, " +
+                        BooksTable.Cols.ID + ", " +
+                        BooksTable.Cols.TITLE + ", " +
+                        BooksTable.Cols.AUTHOR + ", " +
+                        BooksTable.Cols.ISBN + ", " +
+                        BooksTable.Cols.ISBN13 + ", " +
+                        BooksTable.Cols.PUBLISHER + ", " +
+                        BooksTable.Cols.PUBLISHYEAR + ", " +
+                        BooksTable.Cols.CHECKEDOUT + ", " +
+                        BooksTable.Cols.CHECKEDOUTBY + ", " +
+                        BooksTable.Cols.CHECKOUTDATEYEAR + ", " +
+                        BooksTable.Cols.CHECKOUTDATEMONTH + ", " +
+                        BooksTable.Cols.CHECKOUTDATEDAY + ", " +
+                        BooksTable.Cols.DUEDATEYEAR + ", " +
+                        BooksTable.Cols.DUEDATEMONTH + ", " +
+                        BooksTable.Cols.DUEDATEDAY + ", "
+        );
+
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+
+    }
+}
diff --git a/src/main/java/nyc/c4q/House.java b/src/main/java/nyc/c4q/House.java
index ae92e05..6b72a34 100644
--- a/src/main/java/nyc/c4q/House.java
+++ b/src/main/java/nyc/c4q/House.java
@@ -4,5 +4,5 @@ public enum House {
     Gryffindor,
     Ravenclaw,
     Hufflepuff,
-    Slytherin
+    Slytherin;
 }
diff --git a/src/main/java/nyc/c4q/LibraryActivity.java b/src/main/java/nyc/c4q/LibraryActivity.java
index ca2a050..1bef84e 100644
--- a/src/main/java/nyc/c4q/LibraryActivity.java
+++ b/src/main/java/nyc/c4q/LibraryActivity.java
@@ -1,20 +1,31 @@
 package nyc.c4q;
 
 import android.app.Activity;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.EditText;
 
+import nyc.c4q.BooksDbSchema.BooksTable;
+
 
 public class LibraryActivity extends Activity {
 
     public EditText inputParameter;
+    private Context mContext;
+    private SQLiteDatabase mDatabase;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_library);
 
+        mContext = this.getApplicationContext();
+//        mDatabase = new DatabaseHelper(mContext).getWritableDatabase();
+//        mBooks = new ArrayList<>();
+
         inputParameter = (EditText) findViewById(R.id.input_parameter);
     }
 
@@ -43,6 +54,7 @@ public void button_getBook_onClick(View view) {
         String isbn = inputParameter.getText().toString();
 
         // TODO Display book information for the book with the given ISBN.
+
     }
 
     public void button_getCheckedOut_onClick(View view) {
@@ -53,4 +65,32 @@ public void button_getCheckedOut_onClick(View view) {
         //      earliest due first.
     }
 
+    private static ContentValues getContentValues(Books book) {
+        ContentValues values = new ContentValues();
+
+        values.put(BooksTable.Cols.ID, book.getId().toString());
+        values.put(BooksTable.Cols.TITLE, book.getTitle());
+        values.put(BooksTable.Cols.AUTHOR, book.getAuthor());
+        values.put(BooksTable.Cols.ISBN, book.getIsbn());
+        values.put(BooksTable.Cols.ISBN13, book.getIsbn13());
+        values.put(BooksTable.Cols.PUBLISHER, book.getPublisher());
+        values.put(BooksTable.Cols.PUBLISHYEAR, book.getPublishyear());
+        values.put(BooksTable.Cols.CHECKEDOUT, book.getCheckedout());
+        values.put(BooksTable.Cols.CHECKEDOUTBY, book.getCheckedoutby());
+        values.put(BooksTable.Cols.CHECKOUTDATEYEAR, book.getCheckoutdateyear());
+        values.put(BooksTable.Cols.CHECKOUTDATEMONTH, book.getCheckoutdatemonth());
+        values.put(BooksTable.Cols.CHECKOUTDATEDAY, book.getCheckoutdateday());
+        values.put(BooksTable.Cols.DUEDATEYEAR, book.getDuedateyear());
+        values.put(BooksTable.Cols.DUEDATEMONTH, book.getDuedatemonth());
+        values.put(BooksTable.Cols.DUEDATEDAY, book.getDuedateday());
+
+        return values;
+    }
+
+    public void addBook(Books b) {
+        ContentValues values = getContentValues(b);
+        mDatabase.insert(BooksTable.name, null, values);
+    }
+
+
 }
diff --git a/src/main/java/nyc/c4q/ListActivity.java b/src/main/java/nyc/c4q/ListActivity.java
index 08894ac..efe9a67 100644
--- a/src/main/java/nyc/c4q/ListActivity.java
+++ b/src/main/java/nyc/c4q/ListActivity.java
@@ -1,45 +1,56 @@
 package nyc.c4q;
 
 import android.app.Activity;
+import android.content.Context;
+import android.graphics.Color;
 import android.os.Bundle;
-import android.view.Menu;
-import android.view.MenuItem;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
 import android.widget.ListView;
+import android.widget.TextView;
 
+import java.util.ArrayList;
 
-public class ListActivity extends Activity {
+
+public class ListActivity extends Activity implements View.OnClickListener {
 
     public ListView list;
 
+    public Button btnName;
+    public Button btnColor;
+
     public static final Person[] PEOPLE = {
-        new Person("Hannah",    "Abbott",          House.Hufflepuff),
-        new Person("Katie",     "Bell",            House.Gryffindor),
-        new Person("Susan",     "Bones",           House.Hufflepuff),
-        new Person("Terry",     "Boot",            House.Ravenclaw),
-        new Person("Lavender",  "Brown",           House.Gryffindor),
-        new Person("Cho",       "Chang",           House.Ravenclaw),
-        new Person("Michael",   "Corner",          House.Ravenclaw),
-        new Person("Colin",     "Creevey",         House.Gryffindor),
-        new Person("Marietta",  "Edgecombe",       House.Ravenclaw),
-        new Person("Justin",    "Finch-Fletchley", House.Hufflepuff),
-        new Person("Seamus",    "Finnigan",        House.Gryffindor),
-        new Person("Anthony",   "Goldstein",       House.Ravenclaw),
-        new Person("Hermione",  "Granger",         House.Gryffindor),
-        new Person("Angelina",  "Johnson",         House.Gryffindor),
-        new Person("Lee",       "Jordan",          House.Gryffindor),
-        new Person("Neville",   "Longbottom",      House.Gryffindor),
-        new Person("Luna",      "Lovegood",        House.Ravenclaw),
-        new Person("Ernie",     "Macmillan",       House.Hufflepuff),
-        new Person("Parvati",   "Patil",           House.Gryffindor),
-        new Person("Padma",     "Patil",           House.Ravenclaw),
-        new Person("Harry",     "Potter",          House.Gryffindor),
-        new Person("Zacharias", "Smith",           House.Hufflepuff),
-        new Person("Alicia",    "Spinnet",         House.Gryffindor),
-        new Person("Dean",      "Thomas",          House.Gryffindor),
-        new Person("Fred",      "Weasley",         House.Gryffindor),
-        new Person("George",    "Weasley",         House.Gryffindor),
-        new Person("Ginny",     "Weasley",         House.Gryffindor),
-        new Person("Ron",       "Weasley",         House.Gryffindor)
+            new Person("Hannah", "Abbott", House.Hufflepuff),
+            new Person("Katie", "Bell", House.Gryffindor),
+            new Person("Susan", "Bones", House.Hufflepuff),
+            new Person("Terry", "Boot", House.Ravenclaw),
+            new Person("Lavender", "Brown", House.Gryffindor),
+            new Person("Cho", "Chang", House.Ravenclaw),
+            new Person("Michael", "Corner", House.Ravenclaw),
+            new Person("Colin", "Creevey", House.Gryffindor),
+            new Person("Marietta", "Edgecombe", House.Ravenclaw),
+            new Person("Justin", "Finch-Fletchley", House.Hufflepuff),
+            new Person("Seamus", "Finnigan", House.Gryffindor),
+            new Person("Anthony", "Goldstein", House.Ravenclaw),
+            new Person("Hermione", "Granger", House.Gryffindor),
+            new Person("Angelina", "Johnson", House.Gryffindor),
+            new Person("Lee", "Jordan", House.Gryffindor),
+            new Person("Neville", "Longbottom", House.Gryffindor),
+            new Person("Luna", "Lovegood", House.Ravenclaw),
+            new Person("Ernie", "Macmillan", House.Hufflepuff),
+            new Person("Parvati", "Patil", House.Gryffindor),
+            new Person("Padma", "Patil", House.Ravenclaw),
+            new Person("Harry", "Potter", House.Gryffindor),
+            new Person("Zacharias", "Smith", House.Hufflepuff),
+            new Person("Alicia", "Spinnet", House.Gryffindor),
+            new Person("Dean", "Thomas", House.Gryffindor),
+            new Person("Fred", "Weasley", House.Gryffindor),
+            new Person("George", "Weasley", House.Gryffindor),
+            new Person("Ginny", "Weasley", House.Gryffindor),
+            new Person("Ron", "Weasley", House.Gryffindor)
     };
 
     @Override
@@ -47,7 +58,62 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_list);
 
+        initViews();
+
+        ArrayAdapter<Person> peopleAdapter =
+                new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, PEOPLE);
         list = (ListView) findViewById(R.id.list);
+        list.setAdapter(peopleAdapter);
+    }
+
+    private void initViews() {
+        btnName = (Button) findViewById(R.id.button_name);
+        btnColor = (Button) findViewById(R.id.button_color);
+    }
+
+    @Override
+    public void onClick(View v) {
+
     }
 
+    public class ListAdapter extends ArrayAdapter<Person> {
+        public ListAdapter(Context context, ArrayList<Person> people) {
+            super(context, 0, people);
+        }
+
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            // Get data for current position
+            Person person = getItem(position);
+
+            // Is existing view being used? If not, inflate a view.
+            if (convertView == null) {
+                convertView = LayoutInflater.from(getContext()).inflate(R.layout.listitem_member, parent, false);
+            }
+
+            // Lookup view for person
+            TextView tvName = (TextView) convertView.findViewById(R.id.text_name);
+            TextView tvHouse = (TextView) convertView.findViewById(R.id.text_house);
+
+            // Populate data into view using data object
+            tvName.setText(person.getFirstName() + " " + person.getLastName());
+            tvHouse.setText(person.getHouse().name());
+
+            // Set row background color
+
+            if (person.getHouse().toString().equalsIgnoreCase("gryffindor")) {
+                convertView.setBackgroundColor(getResources().getColor(R.color.gryffindor_red));
+            } else if (person.getHouse().toString().equalsIgnoreCase("ravenclaw")) {
+                convertView.setBackgroundColor(getResources().getColor(R.color.ravenclaw_blue));
+            } else if (person.getHouse().toString().equalsIgnoreCase("hufflepuff")) {
+                convertView.setBackgroundColor(getResources().getColor(R.color.hufflepuff_yellow));
+            } else if (person.getHouse().toString().equalsIgnoreCase("slytherin")) {
+                convertView.setBackgroundColor(getResources().getColor(R.color.slytherin_green));
+            } else {
+                convertView.setBackgroundColor(Color.parseColor("#000000"));
+            }
+
+            return convertView;
+        }
+    }
 }
diff --git a/src/main/java/nyc/c4q/Members.java b/src/main/java/nyc/c4q/Members.java
new file mode 100644
index 0000000..7dabe82
--- /dev/null
+++ b/src/main/java/nyc/c4q/Members.java
@@ -0,0 +1,123 @@
+package nyc.c4q;
+
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+
+public class Members {
+
+    @Expose
+    private Integer id;
+    @Expose
+    private String name;
+    @SerializedName("dob_month")
+    @Expose
+    private Integer dobMonth;
+    @SerializedName("dob_day")
+    @Expose
+    private Integer dobDay;
+    @SerializedName("dob_year")
+    @Expose
+    private Integer dobYear;
+    @Expose
+    private String city;
+    @Expose
+    private String state;
+
+    /**
+     * @return The id
+     */
+    public Integer getId() {
+        return id;
+    }
+
+    /**
+     * @param id The id
+     */
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    /**
+     * @return The name
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * @param name The name
+     */
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    /**
+     * @return The dobMonth
+     */
+    public Integer getDobMonth() {
+        return dobMonth;
+    }
+
+    /**
+     * @param dobMonth The dob_month
+     */
+    public void setDobMonth(Integer dobMonth) {
+        this.dobMonth = dobMonth;
+    }
+
+    /**
+     * @return The dobDay
+     */
+    public Integer getDobDay() {
+        return dobDay;
+    }
+
+    /**
+     * @param dobDay The dob_day
+     */
+    public void setDobDay(Integer dobDay) {
+        this.dobDay = dobDay;
+    }
+
+    /**
+     * @return The dobYear
+     */
+    public Integer getDobYear() {
+        return dobYear;
+    }
+
+    /**
+     * @param dobYear The dob_year
+     */
+    public void setDobYear(Integer dobYear) {
+        this.dobYear = dobYear;
+    }
+
+    /**
+     * @return The city
+     */
+    public String getCity() {
+        return city;
+    }
+
+    /**
+     * @param city The city
+     */
+    public void setCity(String city) {
+        this.city = city;
+    }
+
+    /**
+     * @return The state
+     */
+    public String getState() {
+        return state;
+    }
+
+    /**
+     * @param state The state
+     */
+    public void setState(String state) {
+        this.state = state;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/nyc/c4q/PaceCalculatorActivity.java b/src/main/java/nyc/c4q/PaceCalculatorActivity.java
index 5c0616e..1810d37 100644
--- a/src/main/java/nyc/c4q/PaceCalculatorActivity.java
+++ b/src/main/java/nyc/c4q/PaceCalculatorActivity.java
@@ -1,14 +1,183 @@
 package nyc.c4q;
 
-import android.support.v4.app.FragmentActivity;
+import android.app.Fragment;
+import android.app.FragmentManager;
+import android.app.FragmentTransaction;
 import android.os.Bundle;
+import android.support.v4.app.FragmentActivity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import java.util.ArrayList;
 
 public class PaceCalculatorActivity extends FragmentActivity {
+    private double inputDistance;
+    private int inputTimeMin;
+    private int inputTimeSec;
+    private int inputPaceMin;
+    private int inputPaceSec;
+
+    private String distanceStr;
+    private String timeStr;
+    private String paceStr;
+
+    private String timeMinStr;
+    private String timeSecStr;
+    private String paceMinStr;
+    private String paceSecStr;
+
+    private EditText etDistance;
+    private EditText etTimeMin;
+    private EditText etTimeSec;
+    private EditText etPaceMin;
+    private EditText etPaceSec;
+    private Button btnCalculate;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_pace_calculator);
+
+        initViews();
+
+        // get fragment manager
+        FragmentManager fm = getFragmentManager();
+
+        CalcFragment calcFrag = new CalcFragment();
+
+        // fragment add
+        FragmentTransaction ft = fm.beginTransaction();
+        ft.add(R.id.fragment_pace_calculator, calcFrag);
+        ft.commit();
+
+        // todo: fix fragment, calculate
+    }
+
+    private void initViews() {
+        etDistance = (EditText) findViewById(R.id.input_distance);
+        etTimeMin = (EditText) findViewById(R.id.input_time_min);
+        etTimeSec = (EditText) findViewById(R.id.input_time_sec);
+        etPaceMin = (EditText) findViewById(R.id.input_pace_min);
+        etPaceSec = (EditText) findViewById(R.id.input_pace_sec);
+    }
+
+    private double calculate(String distanceStr, String timeStr, String paceStr) {
+        double answer = 0;
+
+        // if distance + time, time + pace, or pace + distance
+        if ((!distanceStr.isEmpty()) && (!timeStr.isEmpty())) {
+            answer = inputDistance / Integer.parseInt(timeStr);
+        } else if ((!timeStr.isEmpty()) && (!paceStr.isEmpty())) {
+            answer = Integer.parseInt(timeStr) * Integer.parseInt(paceStr);
+        } else if ((!distanceStr.isEmpty()) && (!paceStr.isEmpty())) {
+            answer = inputDistance / Integer.parseInt(paceStr);
+        } else {
+            Toast.makeText(this, "Error", Toast.LENGTH_SHORT);
+        }
+
+        // return, plug in to third field
+        return answer;
+
     }
 
+    private void validateInput(String distanceStr,
+                               String timeMinStr,
+                               String timeSecStr,
+                               String paceMinStr,
+                               String paceSecStr) {
+
+        String decimal = ".";
+        timeStr = timeMinStr += decimal += timeSecStr;
+        paceStr = paceMinStr += decimal += paceSecStr;
+
+        checkIfInputValid(distanceStr, timeStr, paceStr);
+        checkIfNoInputsEmpty(distanceStr, timeStr, paceStr);
+        checkIfTwoInputsEmpty(distanceStr, timeStr, paceStr);
+        checkIfAllInputsEmpty(distanceStr, timeStr, paceStr);
+    }
+
+    private void checkIfInputValid(String distanceStr, String timeStr, String paceStr) {
+        ArrayList<String> input = new ArrayList<>();
+        input.add(distanceStr);
+        input.add(timeStr);
+        input.add(paceStr);
+
+        // iterate and verify whether input is in numeric characters only. ignore decimal.
+//        for (String field : input) {
+//            if (field.charAt(i).isNumber || field.charAt(i).equals('.')) {
+//                // continue
+//            }
+//        }
+    }
+
+    private void checkIfNoInputsEmpty(String distanceStr, String timeStr, String paceStr) {
+        // if all have data specified...
+        if ((!distanceStr.isEmpty()) &&
+                (!timeStr.isEmpty()) &&
+                (!paceStr.isEmpty())) {
+            // do nothing
+        }
+    }
+
+    private void checkIfTwoInputsEmpty(String distanceStr, String timeStr, String paceStr) {
+        // if only one has data specified...
+        if ((!distanceStr.isEmpty()) &&
+                (timeStr.isEmpty()) &&
+                (paceStr.isEmpty())) {
+            // do nothing
+        }
+
+        if ((distanceStr.isEmpty()) &&
+                (!timeStr.isEmpty()) &&
+                (paceStr.isEmpty())) {
+            // do nothing
+        }
+
+        if ((distanceStr.isEmpty()) &&
+                (timeStr.isEmpty()) &&
+                (!paceStr.isEmpty())) {
+            // do nothing
+        }
+    }
+
+    private void checkIfAllInputsEmpty(String distanceStr, String timeStr, String paceStr) {
+        // if none have data specified...
+        if ((distanceStr.isEmpty()) &&
+                (timeStr.isEmpty()) &&
+                (paceStr.isEmpty())) {
+            // do nothing
+        }
+    }
+
+    public class CalcFragment extends Fragment implements View.OnClickListener {
+        private Button btnCalculate;
+
+        @Override
+        public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                                 Bundle savedInstanceState) {
+            View view = inflater.inflate(R.layout.fragment_pace_calculator, null);
+            btnCalculate = (Button) findViewById(R.id.button_calculate);
+            btnCalculate.setOnClickListener(this);
+
+            return view;
+        }
+
+        @Override
+        public void onClick(View v) {
+            // get values from edittexts
+            distanceStr = etDistance.getText().toString();
+            timeMinStr = etTimeMin.getText().toString();
+            timeSecStr = etTimeSec.getText().toString();
+            paceMinStr = etPaceMin.getText().toString();
+            paceSecStr = etPaceSec.getText().toString();
+
+            validateInput(distanceStr, timeMinStr, timeSecStr, paceMinStr, paceSecStr);
+
+            calculate(distanceStr, timeStr, paceStr);
+        }
+    }
 }
diff --git a/src/main/java/nyc/c4q/Person.java b/src/main/java/nyc/c4q/Person.java
index 2f2f167..f29d842 100644
--- a/src/main/java/nyc/c4q/Person.java
+++ b/src/main/java/nyc/c4q/Person.java
@@ -10,4 +10,16 @@ public Person(String firstName, String lastName, House house) {
         this.lastName  = lastName;
         this.house     = house;
     }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public House getHouse() {
+        return house;
+    }
 }
diff --git a/src/main/res/layout/activity_pace_calculator.xml b/src/main/res/layout/activity_pace_calculator.xml
index ed76b3e..1137324 100644
--- a/src/main/res/layout/activity_pace_calculator.xml
+++ b/src/main/res/layout/activity_pace_calculator.xml
@@ -1,8 +1,14 @@
-<FrameLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/activity_pace_calculator"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/fragment_container"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context="nyc.c4q.PaceCalculatorActivity"
-    />
+    android:orientation="vertical">
+
+    <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:id="@+id/activity_pace_calculator"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:context="nyc.c4q.PaceCalculatorActivity" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/src/main/res/raw/books.json b/src/main/res/raw/books.json
index 8cc9673..79b378e 100644
--- a/src/main/res/raw/books.json
+++ b/src/main/res/raw/books.json
@@ -838,7 +838,7 @@
         "isbn": "0439554934",
         "isbn13": "9780439554930",
         "publisher": "Scholastic",
-        "publishyear": 2003.
+        "publishyear": 2003,
         "checkedout": true,
         "checkedoutby": 38,
         "checkoutdateyear": 2015,