When she invites her friend Camila to St. Louis for spring break, Lea rescues a stray kitten and makes a mysterious discovery while visiting a crumbling mansion that makes her forget to be a good host.

"Olive Cobin Zang has . . . issues. And they mostly aren’t her fault. (No, really!) Though she often slips under the radar, problems have a knack for finding her. So, imagine her doubts when she’s suddenly dropped off at the strangest boarding school ever: a former castle turned prison that's now a “reforming arts school”! But nothing could’ve prepared Olive for RASCH (not “rash”). There, she’s lumped with a team of other kids who...