Sandy Petersen
Sandy Petersen has written at least 22 books. Their most popular book is Call of Cthulhu: Horror Roleplaying with 6 saves with an average rating of 4⭐.
Sandy Petersen has written at least 22 books. Their most popular book is Call of Cthulhu: Horror Roleplaying with 6 saves with an average rating of 4⭐.
 Call of Cthulhu Call of Cthulhu: Horror Roleplaying
| 4 |
 S. Petersen's Field Guide to Cthulhu Monsters: A Field Observer's Handbook of Preternatural Entities
| 0 |
 Guide to Glorantha Volume 1
| 5 |
 Guide to Glorantha Volume 2
| 5 |
 Call of Cthulhu: Horror Roleplaying in the Worlds of H.P. Lovecraft
| 2 |
 Call of Cthulhu Keeper Rulebook: Horror Roleplaying in the Worlds of H.P. Lovecraft | 0 |
 H. P. Lovecraft's Dreamlands
| 4 |
 The Glorantha Sourcebook
| 4 |
 Shadows on the Borderland Shadows on the Borderland
| 0 |
 Griffin Mountain
| 0 |
 S. Petersen's Field Guide to Lovecraftian Horrors: A Field Observer's Handbook of Preternatural Entities and Beings from Beyond the Wall of Sleep
| 0 |
 Call of Cthulhu: Fantasy Roleplaying in the Worlds of H.P. Lovecraft
| 0 |
 S. Petersen's Field Guide to Creatures of the Dreamlands: An Album of Entities from the Land Beyond the Wall of Sleep
| 0 |
 Trollpak
| 0 |
 Glorantha Glorantha: Genertela, Crucible of the Hero Wars
| 0 |
 Gloranthan Bestiary Gloranthan Bestiary: Creatures From Around The World
| 0 |
 Gods of Glorantha Gods of Glorantha
| 0 |
 Into the Troll Realms: Troll Adventures and Encounters for RuneQuest
| 0 |
 RuneQuest: Land of Ninja
| 0 |
 Lords of Terror: The Cults of Dorastor
| 0 |
 Cthulhu Cthulhu
| 0 |
 Call of Cthulhu Call of Cthulhu
| 0 |