diff --git a/library.py b/library.py
index 5216eb6..1a9387d 100644
--- a/library.py
+++ b/library.py
@@ -52,7 +52,7 @@ def remove_book(filename, isbn):
 
     # How can we *remove* an item from a dictionary?
     # Write code to delete the book keyed by isbn in the space below
-
+del book['isbn']
     # Now write code that saves the new version of the data to your library
     pass