Scala Cookbook
Alvin Alexander
Hacking: The Art of Exploitation, 2nd Edition
Jon Erickson
Operating System Concepts
Abraham Silberschatz & Peter B. Galvin & Greg Gagne
Speak and Read Japanese
Larry Herzberg
Puppet Best Practices
Chris Barbour & Jo Rhett
Puppet 5 Beginner's Guide Third Edition
John Arundel