作者的書籍：Sandy Petersen - BookPine

S. Petersen's Field Guide to Lovecraftian Horrors: A Field Observer's Handbook of Preternatural Entities and Beings from Beyond the Wall of Sleep

S. Petersen's Field Guide to Lovecraftian Horrors: A Field Observer's Handbook of Preternatural Entities and Beings from Beyond the Wall of Sleep

Sandy Petersen

Il Richiamo di Cthulhu - Manuale Base 7a Edizione Centenario

Il Richiamo di Cthulhu - Manuale Base 7a Edizione Centenario

Sandy Petersen

Cthulhu : Les créatures du mythe

Cthulhu : Les créatures du mythe

Denis Huneau

Guide to Glorantha Volume 1

Guide to Glorantha Volume 1

Greg Stafford

Guide to Glorantha Volume 2

Guide to Glorantha Volume 2

Greg Stafford

Wyrms Footnotes #15

Wyrms Footnotes #15

Greg Stafford

H.P. Lovecraft's Dreamlands: Roleplaying Beyond the Wall of Sleep

H.P. Lovecraft's Dreamlands: Roleplaying Beyond the Wall of Sleep

Sandy Petersen

Arcane: Penny Dreadfuls For the 21st Century, Spring 2011

Arcane: Penny Dreadfuls For the 21st Century, Spring 2011

Nathan Shumate

Basic Creatures

Basic Creatures

Sandy Petersen

Malleus Monstrorum

Malleus Monstrorum

Scott David Aniolowski

New Aeon: Call of Cthulhu

New Aeon: Call of Cthulhu

Sandy Petersen

Lessons from Littleton: Levelling- A Guide to Positive Parenting

Lessons from Littleton: Levelling- A Guide to Positive Parenting

Brian Brody

La Llamada de Cthulhu: Juego de Rol de Horror en los Mundos de H.P. Lovecraft

La Llamada de Cthulhu: Juego de Rol de Horror en los Mundos de H.P. Lovecraft

Sandy Petersen

La Crida de Cthulhu

La Crida de Cthulhu

Sandy Petersen

H.P. Lovecraft's Dreamlands

H.P. Lovecraft's Dreamlands

Sandy Petersen

Las Tierras del Sueño

Las Tierras del Sueño

Matthew Costello

Elfquest: The Official Roleplaying Game

Elfquest: The Official Roleplaying Game

Steve Perrin

Miskatonic U. Graduate Kit: Artifacts from the World's Scariest University

Miskatonic U. Graduate Kit: Artifacts from the World's Scariest University

Sandy Petersen