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Call of Cthulhu RPG, 7th Edition

Shown by first publication year; this may not be reading order.

Cover of Keeper Rulebook by Mike Mason

Keeper Rulebook Mike Mason, Lynn Willis, Paul Fricker · 2016 · Call of Cthulhu RPG, 7th Edition

Cover of Pulp Cthulhu by Mike Mason

Pulp Cthulhu Mike Mason, Alan Bligh, James Lowder · 2016 · Call of Cthulhu RPG, 7th Edition