Rocket Men: The Epic Story of the First Men on the Moon
Craig Nelson
Building Embedded Systems: Programmable Hardware
Changyi Gu
Principles of Communications
Rodger E. Ziemer & William H. Tranter
Network Security Essentials: Applications and Standards
William Stallings
The Book of PF: A No-Nonsense Guide to the OpenBSD Firewall
Peter N. M. Hansteen