diff --git a/src/Author.java b/src/Author.java
index 2057127..81cd6ba 100644
--- a/src/Author.java
+++ b/src/Author.java
@@ -25,11 +25,11 @@ public List<String> publishedBooks() {
     }
 
     public void addBook(String book) {
-        books.add(book);
+        publishedBooks().add(book);
     }
 
     @Override
-    public String sortName() {
+    public String fullName() {
         return String.format("%s, %s", lastName, firstName);
     }
 }
diff --git a/src/Main.java b/src/Main.java
index 08139ff..e29bbb1 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -1,4 +1,5 @@
 public class Main {
+    @SuppressWarnings("all")
     public static void main(String[] args) {
         Author author = new Author("Sandi", "Metz");
 
@@ -9,4 +10,4 @@ public static void main(String[] args) {
             System.out.println(book);
         }
     }
-}
+}
\ No newline at end of file
diff --git a/src/Person.java b/src/Person.java
index e09b8b3..f16598d 100644
--- a/src/Person.java
+++ b/src/Person.java
@@ -13,4 +13,4 @@ public Person(String firstName, String lastName) {
     public String fullName() {
         return String.format("%s %s", firstName, lastName);
     }
-}
+}
\ No newline at end of file