Sandy Petersen

Sandy Petersen

Sandy Petersen has written at least 22 books. Their most popular book is Call of Cthulhu: Horror Roleplaying with 21 saves with an average rating of 3.92⭐.

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Call of Cthulhu

S. Petersen's Field Guide to Cthulhu Monsters: A Field Observer's Handbook of Preternatural Entities
Guide to Glorantha Volume 2
Call of Cthulhu Keeper Rulebook: Horror Roleplaying in the Worlds of H.P. Lovecraft
Guide to Glorantha Volume 1
Call of Cthulhu: Horror Roleplaying in the Worlds of H.P. Lovecraft
H. P. Lovecraft's Dreamlands
The Glorantha Sourcebook
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Shadows on the Borderland

Griffin Mountain
S. Petersen's Field Guide to Lovecraftian Horrors: A Field Observer's Handbook of Preternatural Entities and Beings from Beyond the Wall of Sleep
Call of Cthulhu: Fantasy Roleplaying in the Worlds of H.P. Lovecraft
S. Petersen's Field Guide to Creatures of the Dreamlands: An Album of Entities from the Land Beyond the Wall of Sleep
Trollpak
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Glorantha

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Gloranthan Bestiary

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Gods of Glorantha

Into the Troll Realms: Troll Adventures and Encounters for RuneQuest
RuneQuest: Land of Ninja
Lords of Terror: The Cults of Dorastor
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Cthulhu

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Call of Cthulhu