You can find my books at most major stores and online retailers. Here are direct links to order them online, including ebook editions.
With the Kindle and Nook ebooks, you may not need a dedicated device; Amazon and Barnes & Noble both offer apps for reading books on iOS devices and computers, too.
Take Control of Your Digital Photos
Take Control of Your Digital Storage, Second Edition
Photos for OS X and iOS: Take, edit, and share photos in the Apple photography ecosystem
The Connected Apple Family: Discover the Rich Apple Ecosystem of the Mac, iPhone, iPad, and Apple TV
The iPad for Photographers, Third Edition
Adobe Photoshop Elements 13 Classroom in a Book
iPad and iPhone Video: Film, Edit, and Share the Apple Way