Aarseth, Espen: Cybertext: perspectives on Ergodic Literature, kap. 1, 3, 5, 7 og 9. Johns Hopkins UP, 1997.
Poole, Stephen: Trigger Happy: The Inner Life of Video Games, Fourth Estate, 2000
Rouse, Richard: Game Design: Theory and Practice. Wordware, 2001
To spill: Harry Potter and the Chamber of Secrets, Two Towers
To filmer: Harry Potter and the Chamber of Secrets, Two Towers
To romaner: Harry Potter and the Chamber of Secrets, Two Towers