Sourcebook and scenarios for Call of Cthulhu which take place in Prohibition-era Chicago.
- The Role of Prohibition (Ehara, Isinwyll)
- The King of Chicago (Sumpter)
- The Secret of Marseilles
- An Economy of Crime (Isinwyll)
From the back cover:
The Secret of Marseilles & King of Chicago. Two cities in the 1920s face ruthless gangs, charismatic bosses, an un-yeilding thirst for vengence, and the malevolence of the mythos.