How to sync ibooks position and bookmarks between iphone and ipad
This post will show you how to sync ibooks information across devices.
you can sync the position you are at in a book and you can sync bookmarks too.
in your iphone or ipad:
open settings > ibooks
make sure that ‘sync bookmarks’ is on
if you tick ‘sync collections’ then the groups that you have made from your ebooks will sync too!