Cassie's Pov I was wide awake, the word “sister” just kept rattling around my head like a bad pop song on repeat. So, I started to do laps around the palace, hoping at least my legs would get tired if my brain wouldn’t shut up. That’s when I heard voices drifting out of the library. “Now, Lucas,” said Mrs. Henderson, all gentle patience. Lark had hired her to whip Lucas into academic shape, but honestly, she reminded me more of a grandma than a tutor. “Let’s try some basic pack traditions. Can you recite the Evening Song we learned last week?” I hovered by the door. I didn't want to barge in, but I was dying to know if Lucas was actually learning anything. “The Evening Song?” Lucas sounded like someone who’d just been called on in math and realized he’d been doodling instead. “

