List of design books, oh boy!!!

Rules of Play: Game Design Fundamentals by Katie Salen and Eric Zimmerman
 
Design Research by Brenda Laurel
 
The Tipping Point: How Little Things Can Make a Big Difference by Malcolm Gladwell
 
Flow: The Psychology of Optimal Experience
 
Drawing on the Right Side of the Brain by Betty Edwards

Understanding Comics by Scott McCloud 

Envisioning Information by Edward Tufte
 
Lateral Thinking by Edward DeBono
 
The Power of Myth by Joseph Campbell