JK
Jeff Koke
Jeff Koke is an American writer, graphic designer and business owner currently living in Austin, Texas. He is best known for his writing work for Steve Jackson Games in the 1990s, including GURPS Vampire: The Masquerade, an adaptation of the well-known Vampire: The Masquerade roleplaying game, and GURPS Black Ops.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books
GURPS Black Ops Find the Truth--and Kill It
1997
ISBN 9781556343339
Gurps Black Ops
2018
ISBN 9781556348426