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.

Hardware Requirements:

• Mac computer with an Intel, PowerPC G5 or G4 processor and 512MB of RAM
• To play Standard Definition video from the iTunes Store, a 1.0GHz PowerPC G4 or faster processor and 512MB of RAM is required• To play HD video, an iTunes LP, or iTunes Extras, a 2.0GHz Intel Core 2 Duo or faster processor and 1GB of RAM is required.
• Screen resolution of 1024×768 or greater; 1280×800 or greater is required to play an iTunes LP or iTunes Extras.
• Broadband Internet connection is needed to use the iTunes Store.
• Apple combination drive or SuperDrive to create audio, MP3, or back-up CDs; some non-Apple CD-RW recorders may also work.
• Apple SuperDrive to back up your library to DVDs; some non-Apple DVD-RW drives may also work.

Software:

• Mac OS X version 10.5 or later
• Safari 4.0.3 or later
• 200MB of available disk space
• iTunes in the Cloud and iTunes Match availability may vary by country.

For more information

Using iTunes: Open iTunes and choose Help > iTunes Help. Type a question in the search field, or click What is iTunes? or a help topic.

Latest product news: Visit the iTunes website at www.itunes.com. For the latest information about iPod, see www.apple.com/ipod. For the latest information about iPhone, see www.apple.com/iphone. For the latest information about iPad, see www.apple.com/ipad. For the latest information about Apple TV, see www.apple.com/appletv.

iTunes Store billing questions: Visit www.apple.com/support/itunes/store.

Using your iPod with iTunes: Open iTunes and choose Help > iTunes Help or iPod User Guide, or see the documentation that came with your iPod.

Using your iPhone with iTunes: Open iTunes and choose Help > iTunes Help or iPhone User Guide, or see the documentation that came with your iPhone.

Using your iPad with iTunes: Open iTunes and choose Help > iTunes Help or iPad User Guide, or see the documentation that came with your iPad.

Using your Apple TV with iTunes: Open iTunes and choose Help > iTunes Help or Apple TV Setup Guide, see the documentation that came with your Apple TV, or see www.apple.com/support/appletv.

Additional help with iTunes, iPod, iPhone, iPad, or Apple TV: Open iTunes and choose Help > iTunes Help or Apple Service and Support.

Source [9to5mac]