Red Hat RHCE 8 (EX294) Cert Guide
Sander van Vugt
Getting Started With Memcached
Ahmed Soliman
Rocket Men: The Epic Story of the First Men on the Moon
Craig Nelson
Architecting and Operating OpenShift Clusters: OpenShift for ...
William Caban
MongoDB Basics
David Hows & Peter Membrey & Eelco Plugge
Pro Apache Phoenix: An SQL Driver for HBase
Shakil Akhtar & Ravi Magham