The Video Game Theory Reader 2
Bernard Perron & Mark J. P. Wolf (edt)
Players and Their Pets
Consalvo, Mia; Begy, Jason;
Designing Virtual Worlds
Richard A. Bartle
Dungeons and Dreamers
Brad King & John M. Borland
The Routledge Companion to Video Game Studies; Second Edition
Mark J. P. Wolf & Bernard Perron