Products

1990's Handbook: Modern Background for Call of Cthulhu, by greg-rucka

Arkham Unveiled: Adventures and Background in the Home of Miskatonic University (Call of Cthulhu), by Morrison, Mark, Watts, Richard, Herber, Keith

Call of Cthulhu (d20 Edition Horror Roleplaying, WotC), by Monte Cook, John Tynes

Call of Cthulhu Gamemasters Pack: d20, Horror Roleplaying, 8801, by Dustin Wright,Aaron Rosenberg

Call of Cthulhu: Fantasy roleplaying in the worlds of H.P. Lovecraft, by Petersen, Sandy

Investigator's Companion vol. 2 (Call of Cthulhu Horror Roleplaying, 1920s, #2346), by Herber, Keith, Ross, Kevin A., Rucka, Greg, O'Connell, Gary

Petersen's Field Guide to Cthulhu Monsters: A Field Observer's Handbook of Preternatural Entities (Call of Cthulhu), by Sandy Petersen

S. Petersen's Field Guide to Creatures of the Dreamlands (Call of Cthulhu Horror Roleplaying), by Lynn Willis,Sandy Petersen

Secrets of Japan (Call of Cthulhu Horror Roleplaying, Modern Era), by Michael Dziesinski

The Bermuda Triangle (Call of Cthulhu Horror Roleplaying, 1990s Era), by Justin Schmid

The Golden Dawn (Call of Cthulhu), by Tynes, John,Smithee, Alan,Hatherly, Steve,Aniolowski, Scott

The Thing at the Threshold (Call of Cthulhu), by Paul McConnell