Java EE 7 First Look
Ndjobo Armel Fabrice
Hadoop Cluster Deployment
Danil Zburivsky
WildFly Configuration, Deployment, and Administration - Second ...
Christopher Ritchie
Learn You Some Erlang for Great Good!: A Beginner's Guide
Fred Hébert
Web Crawling and Data Mining With Apache Nutch
Zakir Laliwala & Abdulbasit Fazalmehmod Shaikh