On the day a new tablet with Retina display was introduced to the world and, perhaps more importantly for schools, the iPad 2′s price was slashed to $399, Apple also released iBooks Author 1.1. As you would expect, it brings tweaks to take advantage of that crispy clear new display:

• Enhanced to create books that take advantage of the Retina display on the new iPad
• Includes performance and stability improvements

Get your copy of iBooks Author 1.1 (free, Mac App Store).

Of course, Apple has also released an update of their mobile ebook reading app. iBooks 2.1 (free) is available and brings a number of new features, including improved search, print vs digital page number fidelity and swipe to highlight changes.