J. Tuomas Harviainen
Books
States of Play - Nordic Larp Around the World
2012
ISBN 9789526759944- No cover
Playground Worlds
2008
ISBN 9789529235797 
Beyond Role and Play: Tools, Toys and Theory for Harnessing the Imagination
2004
ISBN 9789529168439
Lifelike
2007
ISBN 9788798937715
Larp, the Universe, and Everything
2009
ISBN 9788299710220
Once Upon a Nordic Larp… Twenty Years of Playing Stories
2017
ISBN 9788792507365
Seikkailuja ja sankareita: Katsauksia suomalaisen roolipelaamisen historiaan ja nykyhetkeen
2018
ISBN 9789516099319- No cover
Dissecting Larp: Collected Papers for Knutepunkt 2005
2005