(1) An electronic book designed for Apple's tablet computer (see iPad).
(2) A family of laptop computers from Apple. Introduced in 1999, soon after the first iMac, the iBook debuted with a 300 MHz G3 processor and a built-in wireless antenna. At the same time, Apple also introduced its Wi-Fi family of products under the Airport brand name. iBooks and PowerBooks The iBooks were consumer-based laptops aimed at students and beginners, while the PowerBooks were Apple's higher-end laptops. The iBook G4 was the last iBook model, and both the PowerBook and iBook lines were superseded by the Intel-based MacBooks in 2006 and 2007, respectively (see MacBook). See PowerBook, iMac and AirPort.