The Gangs of Vadashar: Folio 1

From publisher blurb:

Swarming with life, the Free City of Vadashar is likewise swarming with crime, and the criminals who commit it. The Gangs of Vadashar, Folio I is an up-close and back-alley look at the gangs, guilds, and organizations, large and small, that comprise Vadashar's criminal class: A rogues gallery of arsonists, assassins, cheaters, con-artists, cutpurses, cut-throats, forgers, hijackers, hustlers, mountebanks, murderers, pimps, poisoners, pickpockets, smugglers, and thieves.

Included:

Deep backstory on three gangs
Descriptions and stat blocks for prominent gangsters
Advice for incorporating the gangs into your campaign
A brief history of the Free City