9.3 in iOS and OS X 10.11.4 there is a new feature that apparently no one noticed. While we were waiting for her. Now all books on all devices under one Apple ID synced over the air via iCloud. Used to sync books iPad and iPhone must be connected to iTunes in the Mac. In addition, Mack was the lead, and the other devices are slaves. Now you can download the book on iPhone, and iCloud will move to your tablet and computer, iTunes is now not needed, and all devices are equal. Has become very convenient.