J.M. Caparula books & textbook
Gurp's Horror: The Complete Guide to Horrific Roleplaying
Caparula, J. M. Haring, Scott D.
Steve Jackson Games /1991-06-01 Paperback / 128 Pages
isbn-10: 1556341792 / isbn-13: 9781556341793
GURPS Riverworld
Steve Jackson Games /1992T Paperback / 128 Pages
isbn-10: 1556341601 / isbn-13: 9781556341601