DNS and BIND, 5th Edition
Cricket Liu & Paul Albitz
Dead Witch Walking
Kim Harrison
Kafka: The Definitive Guide
Todd Palino & Neha Narkhede & Gwen Shapira
Waging Cyber War
Jacob G. Oakley
Regular Expression Pocket Reference
Tony Stubblebine
Introducing Regular Expressions
Michael Fitzgerald
Mastering Regular Expressions, Third Edition
Jeffrey E. F. Friedl