=back
-B<Note:> In general, you should use more than just a simple link with
-your applications. Consider using some sort of of confirmation page
-(typically with unique actions in your controller for both the
-confirmation and the actual delete operation). Also, you should try
-to use an HTTP POST operation (versus the GET used here) for
-operations that change the state of your application (e.g., the
-database).
+B<Note:> In practice you should B<never> use a GET request to delete a
+record -- always use POST for actions that will modify data. We are
+doing it here for illustrative and simplicity purposes only.
=head2 Add a Common Method to Retrieve a Book for the Chain