Moon in the Mirror (Tess Noncoire Series #2)

Tess Noncoiré, bestselling fantasy writer turned martial arts demon hunter, is back for another rollicking adventure. Trouble has followed Tess to her own doorstep, and now she and her sidekick Scrap must protect her mother from a demon she’s fallen in love with while at the same time fighting off an invasion led by the king of the Trolls—who bears far too close a resemblance to a garden gnome...