Sandy Petersen
29 works on record
Works
S. Petersen's Field Guide to Lovecraftian Horrors
Cthulhu Classics
Petersen's Abominations
Call of Cthulhu
Infant and Toddler Development and Responsive Program Planning
Call of Cthulhu Keeper Screen
Call of Cthulhu Rpg Keeper Rulebook
Call of Cthulhu Investigators Handbook
Infant and Toddler Development and Responsive Program Planning : Pearson New International Edition
Infant and Toddler Development and Responsive Program Planning
Call of Cthulhu Starter Set
Call of Cthulhu 7th Ed. QuickStart
Sandy Petersen's Cthulhu Mythos (for Pathfinder 2e)
Call of Cthulhu Illustrated
Call of Cthulhu Classic Basic Set
Call of Cthulhu Classic Deluxe Set
Call Of Cthulhu
White Wolf
Stormbringer Companion
Into the Troll Realms
La Llamada de Cthulhu
HPL's Dreamlands
Shadows of Yog Sothoth
Three Imposters
Call of Cthulhu
Petersen's field guide
Shadows of Yog-Sothoth
Petersen's field guide to Cthulhu monsters
H.P. Lovecraft's Dreamlands, 2nd edition (Call of Cthulhu: Roleplaying Beyond the Wall of Sleep)