Engineering Software as a Service: An Agile Approach Using Cloud Computing, First Edition by Armando Fox and David Patterson. Be sure you get the First Edition, version 1.1.0 or later, released July 2014. Earlier editions are missing various chapters, have different chapter numbering, and contain errors that have been corrected. Errata can be found (and reported) at http://beta.saasbook.info/errata .
If you previously purchased the Kindle Edition and the title is the same ("Engineering Software as a Service"), you can get free updates to all later versions on Amazon's Manage My Kindle page.
On the ESaaS website you'll find: