Spiral Hunt by Margaret Ronald

Some people have the Sight. Genevieve Scelan has the Scent.

They call her "Hound," and with her unique supernatural sense Evie can track nearly anything—lost keys, vanished family heirlooms . . . even missing people. And though she knows to stay out of the magical undercurrent that runs beneath Boston's historic streets, a midnight phone call from a long-vanished lover will destroy the careful boundaries she has drawn. Now, to pay a years-old debt, Evie must venture into the shadowy world that lies between myth and reality, where she will find betrayal, conspiracies, and revelations that will shatter all she believes about herself and the city she claims as home.

When the Hunt is on, the Hound must run . . .