Zane barks again. I sigh, rolling over in my bed, sweaty and disgruntled. The clock reads 3:27 a.m. Images keep flashing in my mind, red and terrifying, thoughts that leave a prickly feeling behind my temple. I haven’t been able to sleep, tossing and turning all night. 

Maybe it’s the fact that there is a demon sleeping on my couch. Maybe it’s the fact that his eyes literally sparked after I asked him to find an angel. He flew off the handle and started yelling at me. Apparen...