ISBN 9781568824529 books & textbook
Petersen's Abominations: Tales of Sandy Petersen (Call of Cthulhu Roleplaying)
Chaosium Inc Sandy Petersen Mike Mason Mason Mike
Chaosium /2018-03-19 Hardcover / 200 Pages
isbn-10: 1568824521 / isbn-13: 9781568824529
