Books by Sandy Petersen

Cover of Sandy Petersen's Cthulhu Mythos (for Pathfinder 2e)

Sandy Petersen's Cthulhu Mythos (for Pathfinder 2e)

by Sandy Petersen

2021
Cover of Infant and Toddler Development and Responsive Program Planning

Infant and Toddler Development and Responsive Program Planning

by Donna S. Wittmer, Sandy Petersen

2010
Cover of Call of Cthulhu

Call of Cthulhu

by Sandy Petersen, Lynn Willis

2000
Cover of Petersen's field guide to Cthulhu monsters

Petersen's field guide to Cthulhu monsters

by Sandy Petersen

1988
Cover of Petersen's field guide

Petersen's field guide

by Sandy Petersen

1989

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