The Investigators of Arkham Horror
Katrina Ostrander
Herald of Ruin
Tim Pratt
The Darkness Over Arkham
Jonathan Green
The Bootlegger's Dance
Rosemary Jones
Welcome to Arkham: An Illustrated Guide for Visitors
AP Klosky & David Annandale
The Ravening Deep
Tim Pratt
Shadows of Pnath
Josh Reynolds
Secrets in Scarlet
Charlotte Llewelyn-Wells, James Fadeley, Carrie Harris, Davide Mana, Josh Reynolds, David Annandale, M.J. Newman, Lisa Smedman, Steven Philip Jones & Jason Fischer
Lair of the Crystal Fang
S A Sidor
In the Coils of the Labyrinth
David Annandale