diff --git a/COS225-HW4/bin/BookShelf.class b/COS225-HW4/bin/BookShelf.class
index 241a310..23cee92 100644
Binary files a/COS225-HW4/bin/BookShelf.class and b/COS225-HW4/bin/BookShelf.class differ
diff --git a/COS225-HW4/src/BookShelf.java b/COS225-HW4/src/BookShelf.java
index 80f284c..9ed1c86 100644
--- a/COS225-HW4/src/BookShelf.java
+++ b/COS225-HW4/src/BookShelf.java
@@ -1,7 +1,7 @@
 import java.util.ArrayList;
 
 public class BookShelf {
-    char firstLetter;
+    private char firstLetter;
     ArrayList<Book> books = new ArrayList<Book>(8);
     public BookShelf() {
         this.firstLetter = ' ';
diff --git a/PEASE-NICHOLAS-COS225-HW4.zip b/PEASE-NICHOLAS-COS225-HW4.zip
index 031333d..97555a0 100644
Binary files a/PEASE-NICHOLAS-COS225-HW4.zip and b/PEASE-NICHOLAS-COS225-HW4.zip differ