We have great resources for learning all things Open Source and Open Standards. We have a page setup for a list of books available and I have also listed some additional ones below.
Title: OpenShift Cookbook
Author: Shekhar Gulati (EVG Team)
Published: October 29, 2014
Pages: 405
Title: Learning OpenShift
Author: Grant Shipley (EVG Team)
Pages: 304
Published: October 29, 2014
Title: Getting Started with OpenShift
Author: Steve Pousty and Katie Miller (EVG Team)
Pages: 104
Published: June 6, 2014
Title: Implementing OpenShift
Author: Adam Miller (Operations team)
Pages: 116
Published: October 24, 2013
Title: OpenShift Primer
Author: Eric Schabell (JTE at Red Hat)
Pages: 44
Published: November 18, 2013