There are currently two ways it is available!
You can purchase just the ebook through amazon kindle here:
http://www.amazon.com/Shifter-Becoming-Hailey-Balam-Novel-ebook/dp/B00LTAHSAU/ref=sr_1_5?ie=UTF8&qid=1405386965&sr=8-5&keywords=shifter+becoming

Or you can purchase the promotional disk on my website here: http://haileyrae1717.wix.com/hsuitsartanddesign
(scroll over the "shop" tab and go to Direct Purchases)

Just the ebook is 5$
The disk is 10$ which includes packaging and shipping.
The disk itself has the following:
PDF Book (Can be transferred to any device)
Audio Chapters
and Bonus Features.

The book is also going to be available via barnes and noble nook, but their processing is taking longer.