Once upon a time, Calista and I were a single zygote. And then we split. Once upon another time, Calista and I were best friends. And then we split again. Once upon a final time, Calista and I were still sisters. And then we split forever. The Tower Room. That’s what Selene had called the suite when she unlocked the heavy wooden door and ushered me into the small but luxuriously appointed living room. Her eyebrows had scrunched up in a genuine display of concern over my feral state of distress before she’d left. But it hadn’t been enough to stop her from locking the door on the way out. She was bound to her duty. Same as me. I stared at the small chandelier hanging from the center of the tall domed ceiling above the perfectly round bed in the perfectly round room where Finnian and Cal

