Hacking VoIP: Protocols, Attacks, and Countermeasures
Himanshu Dwivedi
Networking for VMware Administrators
Christopher Wahl & Steve Pantol
The Selfish Gene: 30th Anniversary Edition
Richard Dawkins
Networking the Complete Reference, Third Edition
Bobbi Sandberg
Moving to Office 365: Planning and Migration Guide
Matthew Katzer
OpenStack Operations Guide
Tom Fifield & Lorin Hochstein & Jonathan Proulx & Everett Toews & Diane Fleming & Joe Topjian & Anne Gentle
CentOS 6 Linux Server Cookbook
Jonathan Hobson