Apple has released iTunes 10.5.3 with support for iBooks textbooks.
What's New:
iTunes 10.5.3 allows you to sync interactive iBooks textbooks to your iPad. These Multi-Touch textbooks are available for purchase from the iTunes Store on your Mac or from the iBookstore included with iBooks 2 on your iPad.
iBooks textbooks are created with iBooks Author - now available as a free download on the Mac App Store.
For information on the security content of this update, please visit: support.apple.com/kb/HT1222
You can download the iTunes 10.5.3 update from here or wait for it to appear in Software Update.
What's New:
iTunes 10.5.3 allows you to sync interactive iBooks textbooks to your iPad. These Multi-Touch textbooks are available for purchase from the iTunes Store on your Mac or from the iBookstore included with iBooks 2 on your iPad.
iBooks textbooks are created with iBooks Author - now available as a free download on the Mac App Store.
For information on the security content of this update, please visit: support.apple.com/kb/HT1222
You can download the iTunes 10.5.3 update from here or wait for it to appear in Software Update.