Play: How it Shapes the Brain, Opens the Imagination, and Invigorates the Soul
Rules of Play: Game Design Fundamentals (The MIT Press)
Reality Is Broken: Why Games Make Us Better and How They Can Change the World
Theory of Fun for Game Design
Play Matters (Playful Thinking)
The Waning of the Middle Ages
The Aesthetic of Play (The MIT Press)
Half-Real: Video Games between Real Rules and Fictional Worlds (The MIT Press)