Non abbiamo ancora una biografia di John Crowdis.
Pubblicato in Inglese
Islands of the Oracle (Shadow World #6011)
1990
Hazards of the Harad Wood (Middle Earth Role Playing/MERP)
1992
Ghosts of the southern Anduin
Black Troll's Vengeance (Shadow World Exotic Fantasy Role Playing Environment, Stock No. 6015)
Otium
