UNIX and Linux System Administration Handbook 4th edition
Evi Nemeth & Garth Snyder & Trent R. Hein & Ben Whaley
Hacking VoIP: Protocols, Attacks, and Countermeasures
Himanshu Dwivedi
Network Security Essentials: Applications and Standards
William Stallings
The Art of Racing in the Rain
Garth Stein
The Definitive Guide to ARM® Cortex®-M3 and Cortex®-M4 Processors
Joseph Yiu