A free book that looks at iOS6 for the iPad. Jac de Haan states that this is a "bare-bones intro to iPad & iOS 6 for my students – just enough to get comfortable with basic iPad use and get organized." The book is geared to middle and high school students, with a focus on iOS productivity apps and basic troubleshooting. It is available for free in the iTunes store. To go directly to the book in iTunes - https://itunes.apple.com/us/book/student-guide-to-ipads-ios/id570579620?mt=11.
Via Beth Dichter