Understanding Circuits
Khalid Sayood
Raspberry Pi® Projects
Dr. Andrew Robinson
Hacking: The Art of Exploitation, 2nd Edition
Jon Erickson
Mastering Regular Expressions, Third Edition
Jeffrey E. F. Friedl
CSS in Depth
Keith J. Grant
CSS Pocket Reference
Eric A. Meyer
CSS Refactoring
Steve Lindstrom
CSS: The Definitive Guide
Eric A. Meyer & Estelle Weyl
Hello! HTML5 & CSS3
Rob Crowther
Refactoring UI
Adam Wathan & Steve Schoger
Web Design Playground
Paul McFedries