Jeff Koke has written at least 6 books. Their most popular book is GURPS Black Ops with 2 saves with an average rating of 3⭐.
Series
1 released bookAuthored 50% of series
GURPS World of Darkness is a 4-book series first released in 1993 with contributions by Robert M. Schroeck, Jeff Koke, and Chris W. McCubbin.
Series
1 released bookAuthored 3% of series
GURPS Third Edition is a 91-book series first released in 1988 with contributions by Nigel Findley, Chris W. McCubbin, and 70 others.
Series
1 released bookAuthored 1% of series
Vampire: the Masquerade is a 117-book series first released in 1991 with contributions by Justin Achilli, Carl Bowen, and 108 others.