Defensive Security Handbook: Best Practices for Securing Infrastructure
Lee Brotherston & Amanda Berlin
The Art of Racing in the Rain
Garth Stein
SELinux System Administration
Sven Vermeulen
Jenkins Essentials
Mitesh Soni
Marx's General: The Revolutionary Life of Friedrich Engels
Tristram Hunt
Freethinkers: A History of American Secularism
Susan Jacoby