Write Great Code, Volume 3: Engineering Software
Randall Hyde
Write Great Code: Understanding the Machine (Volume 1)
Write Great Code: Understanding the Machine (Volume 2)
Xamarin.Forms Projects
Johan Karlsson
xkcd: volume 0
Randall Munroe
XML Basics
Shashi Banzal
Yoga and Veganism
Sharon Gannon
You Don’t Know JS Yet: Get Started
Kyle Simpson
You Don’t Know JS Yet (1)
You Don’t Know JS Yet: Scope & Closures
You Don’t Know JS Yet (2)
Zero Day: The Threat in Cyberspace
Robert O'Harrow Jr.
Zombies vs. Unicorns
Holly Black & Justine Larbalestier
Zones of Control: Perspectives on Wargaming
Pat Harrigan & Matthew G. Kirschenbaum