Hacking - The art of exploitation
Jon Erickson
Bash Scripting
Moaml Mohmmed & Max Beerbohm
Practical Digital Forensics
Richard Boddington
Asterisk: The Definitive Guide
Jim Van Meggelen & Russell Bryant & Leif Madsen
Cross-Site Scripting Attacks: Classification, Attack, and Countermeasures
B. B. Gupta and Pooja Chaudhary