Kim Harrison

"Petra Grady has known since adolescence that she has no talent for magic-and that's never going to change. But as a sweeper first-class, she's parlayed her rare ability to handle dross--the damaging, magical waste generated by her more talented kin's spellwork--into a decent life working at the mages' university. Except Grady's relatively predictable life is about to be upended. When the oblivious, sexy, and oh-so-out-of-reach Benedict Strom needs...