diff --git a/fundamentals/minimal-apis/samples/MultipleResultTypes/Program.cs b/fundamentals/minimal-apis/samples/MultipleResultTypes/Program.cs
index 54a5156..0fc3250 100644
--- a/fundamentals/minimal-apis/samples/MultipleResultTypes/Program.cs
+++ b/fundamentals/minimal-apis/samples/MultipleResultTypes/Program.cs
@@ -36,5 +36,7 @@ app.MapGet("/book{id}", Results<Ok<Book>, NotFound> (int id, List<Book> bookList
      : TypedResults.NotFound();
 });
 
+app.MapGet("/books", (List<Book> bookList) => TypedResults.Ok(bookList));
+
 app.Run();
 record Book(int Id, string Title, string Author);