Arkham Horror RPG The Thompson Files

This 96-page hardcover expansion for the Arkham Horror RPG offers a narrative driven approach to the traditional bestiary. Compiled by Mandy Thompson—an esteemed researcher known for her obsession with the arcane—the book gathers firsthand accounts from investigators who have faced unspeakable horrors. Whether you’re seeking narrative depth, creative inspiration, or terrifying foes, this expansion delivers a compelling and original toolset for enhancing any Arkham Horror RPG campaign.