Books
Characteristics of Games
2020
ISBN 9780262542692
The Game design reader
2005
ISBN 9780262195362
Health & revolution
1989
ISBN 9780855981310
Health care in Nicaragua
1992
ISBN 9780195067538
The Official Guide to Portal
1998
ISBN 9781858685267
Violence and victimization in South Sudan
2007
ISBN 9782828800796
Violence and vicitimization after civilian disarmament
2007
ISBN 9782828800918