Thanks for your interest in the ebook of Microsoft SharePoint 2013 Step by Step. This title is available in the mobi format. O'Reilly media ebooks are DRM-free which means they are available in multiple formats which includes: PDF, ePub, Kindle-compatible .mobi, and DAISY. More information on this can be found here: http://shop.oreilly.com/category/cust.... Have a great day!
Customer Service Representative