The company is also broadening the reach of its iTunes U Course Manager, which helps teachers design and distribute their own customized courses.
Small publisher claimed it had acquired the trademark before Apple began using it to describe its e-reader platform.
You likely won't use iBooks on your Mac for much pleasure reading, but for research projects or other school work it can be a useful tool.
Screenshots appear in the iTunes Store showing the two new devices with the addition of a Touch ID fingerprint scanner.
Commentary: The design of Apple's long-anticipated smartwatch is sharp, but the company has been known to switch gears after a product launches.
A little more than a year after introducing its iBooks Author software, Apple has posted a section with some of the popular results.
Apple's reading app sports a clean interface, solid controls, and a well-stocked iBookstore for all your reading needs.
iBooks 3.0 was unveiled during Apple's iPad Mini event. One new feature in the app is the ability to scroll through a book, instead of turning pages. Here's how to enable it.
Want to make the cloud your bookshelf? Apple's iBooks 3.0 update will do that for you.
CEO Tim Cook ups Apple's game in the e-reader space with new iBooks features, including night mode and continuous scrolling, so users never have to turn a page.