From publisher blurb: This book contains tips and guidance for running a game of Wyrd Street, whether it be the official Quicksilver War campaign or your own custom story arc. Topics covered include running a session zero for Wyrd Street, balancing the game, and creating adventures in lands beyond the Free Holds. The Game Master’s Guide also includes all the NPC statblocks you need to run The Quicksilver War or a custom campaign, from the stalwart forces of the Divine Legion to the brutal enforcers of the Greycaps Gang. Each section includes tactical tips on how to run each category of foe.