Absolute FreeBSD: The Complete Guide to FreeBSD, 2nd Edition
Michael W. Lucas
Linux Command Line and Shell Scripting Bible
Christine Bresnahan & Richard Blum
Information Doesn't Want to Be Free: Laws for the Internet Age
Cory Doctorow & Amanda Palmer & Neil Gaiman
Building DMZs for Enterprise Networks
Robert J. Shimonski & Will Schmied & V Chang & Thomas W. Shinder