Head First: Design Patterns
Freeman, Eric & Robson, Elisabeth & Bates, Bert & Sierra, Kathy
Masterminds of Programming
Federico Biancuzzi & Chromatic
Git Pocket Guide
Richard E. Silverman
Learning UML 2.0
Russ Miles & Kim Hamilton
The Ruby Programming Language
David Flanagan & Yukihiro Matsumoto
The IDA Pro Book
Chris Eagle
Version Control with Git
Jon Loeliger
Jenkins: The Definitive Guide
John Ferguson Smart