Ipv6 Essentials
Silvia Hagen
Bash Pocket Reference
Arnold Robbins
Hacking VoIP: Protocols, Attacks, and Countermeasures
Himanshu Dwivedi
Information Doesn't Want to Be Free: Laws for the Internet Age
Cory Doctorow & Amanda Palmer & Neil Gaiman
Rake Task Management Essentials
Andrey Koleshko