The CarPlay interface for Audio Books presents both saved books in your library as well as featured books from the service. You can also easily navigate through genres of audiobooks and quickly find free titles to listen to on your drive without signing up for an account. You can see the Audio Books CarPlay interface below:

Aside from CarPlay integration, the new version of Audio Books includes a new design (but not iPhone 6 native resolution) and more:

What’s New in Version 5.0.3

-Fully updated user interface with a new minimalist look and feel -Improved book browsing and general user experience for international users -Full integration with CarPlay and select in-car infotainment systems -Audio player updated to incorporate full functionality and controls without sub-menus -Re-organized settings page displays critical account information more prominently -Improved navigation throughout the app for a more intuitive user experience

Audio Books for iPhone is available for free on the App Store.