The Case of the Perambulating Hatrack — Cedar Sanderson

She was trouble, and from the moment she sailed into his office in search of a PI, Soldagh Dennessey was caught in her wake.In a city where the streets started mean and went worse, Soldagh had carved a relatively solitary existence out between the goblins in their dens of minty iniquity, and the gnomes who'd snitch on their own mothers for rent money. Rough as it was, he'd come from worse family, and had no intention of going back. As the case grows tangled and terrifying, Soldagh is starting to suspect the past he's been avoiding lies at the bleeding heart of the matter. And only the few friendships he's made and an unexpected ally might be enough to save them now...