WHEN I WOKE, MY THROAT was still sore from the crying jag I’d succumbed to as soon as Quetzalli walked out the door. It was dark outside, but the waning moon was pushing through the curtainless window, filling my attic domicile with a soft glow and proving that I’d slept through the evening and half the night. I stretched, suddenly wide awake despite the late hour, then glanced across the room at Quetzalli’s empty bed. But the bed was no longer empty. Instead, a large wolf was sprawled across the mattress, and my heart leaped, imagining that Quetzalli had dropped off Iris and then crept back into the attic to rejoin me. Perhaps I wasn’t so alone after all. But as I tilted my head to the side to get a better look, the wolf tilted her head as well, and I realized the canine was simply my o

