6 books in series
L'Appel de Cthulhu
L'Appel de Cthulhu is a 6-book series with 6 released primary works first released in 1981 with contributions by Sandy Petersen, Lynn Willis, Dennis Detwiller, Adam Scott Glancy, John Tynes, Yurek Chodak, Tadashi Ehara, Harry Henderson, Charlie Krank, Steve Perrin, Greg Stafford, Anders Swenson, and Inc Staff Chaosium.
41 Call of Cthulhu RPG
1999 • 2 Readers • 426 pages • 4
41 Call of Cthulhu RPG
Delta Green
ByDennis Detwiller,Adam Scott Glancy,+1 more
1997 • 3 Readers • 298 pages • 4.5
41 Call of Cthulhu RPG
Call of Cthulhu: Fantasy Roleplaying in the Worlds of H.P. Lovecraft
BySandy Petersen,Yurek Chodak,+8 more
2016 • 1 Reader
41 Call of Cthulhu RPG
1981 • 1 Reader • 2