Rachel Morgan, Volume 3: White Witch, Black Heart - Kim Harrison

Used book in very good condition

Making deals with demons should be forbidden. And I'm the one who says so.

There isn't a tougher, sexier, or more twisted witch in all of Cincinnati than Rachel Morgan. The proof? She's already risked her soul and her love life to put the night's criminals in jail.

Between jobs, she's busy fending off her roommate Ivy's bloodlust, keeping her partner Jenks from learning a terrible secret, and resisting the advances of a devilishly seductive vampire.
Rachel must also take a stand in the war that's been raging in Cincinnati since she helped put the city's former godfather behind bars. Especially since she made a deal with a powerful demon to do so, and it could cost her dearly.

And, precisely, his “master” comes to collect his due...