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→Adding the Navigation Code
== Adding the Navigation Code ==
Next we need to modify our root view controller so that the books table view is displayed when the user selects an author from the list. When a user selects an item from a Table View, the didSelectRowAtIndexPath method is calls called so we need to override this method in our view controller.
Edit the ''RootViewController.m'' file and begin by importing the interface header file for the books view controller and to synthesize access to the booksController class:
