My books despaired
After I sync my iPhone and iPad all my books I load in iBooks despaired ((((
If you don't see all of your information on all of your devices, check your settings:
Make sure that you turned on the above sync settings on all of your devices.
Make sure that you're using the same Apple ID in the iBooks Store on all of your devices
Sync iBooks between your Mac and your iPhone, iPad, or iPod touch - Apple Support