Before Mars
Emma Newman
Planetfall (3)
The Light Fantastic
Terry Pratchett
Discworld (2)
How You Get the Girl
Anita Kelly
The Well-Played Game: A Player's Philosophy
Bernie DeKoven
Think Stats: Exploratory Data Analysis
Allen B. Downey
Technology Strategy Patterns: Architecture as Strategy
Eben Hewitt
Real World Haskell
Bryan O'Sullivan
Theory of Fun for Game Design
Raph Koster