William and the Thirteenth Key is available for purchase from Amazon Kindle and iBooks. Please remember to take a moment to rate the novels reviews as the reviewers took a lot of time with no gain to carefully write and post them. Thanks!

http://www.amazon.com/William-Thirteenth-Key-Madoc-Rees-ebook/dp/B00GGQP444/ref=sr_1_1?ie=UTF8&qid=1385487427&sr=8-1&keywords=william+and+the+thirteenth+key

https://itunes.apple.com/us/book/william-thirteenth-key/id738928242?mt=11