From the publisher:
"I will guide you to a place of portentous happenings, a place of power; I will tell you of The Crossroads."
Evocative City Sites: a Pathfinder Roleplaying Game (1st Edition) compatible supplement detailing small locations that you could find in any urban campaign setting. Each site is detailed with its own cartography, a 1"=1 square scale map pack, two unique npcs, 5 adventure seeds, all presented in the unique, useful, and entertaining form of Owain Northway's first person point-of-view guidebook.
The Crossroads is an ancient intersections where two paths meet over a knot of ley lines. Where a bound sister of Baba Yaga forever guarding the eldritch site. Reach a bargin with her or purchase one of her famous candles and you will find yourself at the border of a different world, it really just around the corner from here.