Book on left works with any device. Chose favorite online distributor from list below cover. Book on right is enhanced for iPad and Mac (with Mavericks operating system).

Amazon or iBookstore (Kindle)

iTunes (iPhone, iPad – enhanced version has more features)

Kobo (Desktop, eReaders, Tablets, Kobo Vox & Arc, Android, iPhone)

Sony Reader Store (PC/Mac, eReaders, Tablets, Phones)

ebookit.com (all devices and formats)