6 books in series
L'Appel de Cthulhu
L'Appel de Cthulhu is a 6-book series first released in 1981 with contributions by Sandy Petersen, Yurek Chodak, and 11 others.
Call of Cthulhu: Fantasy Roleplaying in the Worlds of H.P. Lovecraft
BySandy Petersen,Yurek Chodak,+8 more
2016 • 1 Reader
2016 • 6 Readers • 4
Delta Green
ByDennis Detwiller,Adam Scott Glancy,+1 more
1997 • 3 Readers • 298 pages • 4.5
1999 • 2 Readers • 426 pages • 4
2007 • 2 Readers • 5