Gamers at Work: Stories Behind the Games People Play
Morgan Ramsay
Robert Heinlein's Expanded Universe: Volume One
Robert A. Heinlein
Robert Heinlein's Expanded Universe in 2 Volumes (1)
The Big O
Declan Burke
Outland
Special Edition
Works of Game: On the Aesthetics of Games and Art
John Sharp
Playful Thinking (1)
Uncertainty in Games
Greg Costikyan
Play Matters
Miguel Sicart
Achievement Relocked: Loss Aversion and Game Design
Geoffrey Engelstein