Chaosium

H.P. Lovecraft's the Call of Cthulhu for Beginning Readers

R. J. Ivankovic

Pulp Cthulhu: Two-Fisted Action and Adventure Against the Mythos

Mike Mason

Call of Cthulhu Keeper Rulebook

Paul Fricker

Miskatonic University

Johnson

H.P. Lovecraft's Dagon for Beginning Readers

R. J. Ivankovic

The Keeper's Companion, Vol. 2: Prohibition, Firearms, Tomes & Creatures

Not Available (NA)

The Secrets of San Francisco

Cody Goodfellow

Secrets of Los Angeles

CHAOSIUM INC

Masks of Nyarlathotep

Larry DiTillio

Alone Against the Tide: Solitaire Adventure by the Lakeshore

Nicholas Johnson

Cthulhu Dark Ages

Chad J. Bowser

Alone Against the Dark: A Solo Play Call of Cthulhu Mini Campaign.

Matthew J. Costello

Runequest Weapons & Equipment

Richard August

The Grand Grimoire of Cthulhu Mythos Magic

Mike Mason