Brave New World
Aldous Huxley
Logic and Discrete Mathematics: A Concise Introduction
Willem Conradie & Valentin Goranko
SELinux System Administration
Sven Vermeulen
The UNIX Programming Environment
Brian Wilson Kernighan & Rob. Pike
The Book of PF: A No-Nonsense Guide to the OpenBSD Firewall
Peter N. M. Hansteen