(1) A Publisher

iBooks was a publisher of actual physical books run by Byron Preiss which publish, among other things, a respected pair of Best of the Year anthologies edited by Jonathan Strahan and Karen Haber. iBooks filed for bankruptcy in 2006 after Preiss' death.

(2) An Ebook Reader

iBooks is an e-book application by Apple Inc. for its iOS and OS X operating systems and devices.

It was announced in conjunction with the iPad on January 27, 2010, and was released for the iPhone and iPod Touch in mid-2010, as part of the iOS 4 update.