Hacking VoIP: Protocols, Attacks, and Countermeasures
Himanshu Dwivedi
The Practice of System and Network Administration
Thomas A. Limoncelli & Strata R. Chalup & Christina J. Hogan
The Practice of System Administration (1)
The Last Days of Socrates
Plato & Harold Tarrant & Christopher Rowe
Android Application Programming With OpenCV
Joseph Howse
Git Essentials
Ferdinando Santacroce
Git Fundamentals
Thom Parkin