Stephanie (Young adult author) Oakes

The Kevinian cult has taken everything from Minnow: twelve years of her life, her family, her ability to trust. And when she rebelled, they took away her hands, too. Now their Prophet has been murdered and their camp set aflame, and it's clear that Minnow knows something-- but she's not talking. As she languishes in juvenile detention, she struggles to un-learn everything she has been taught to believe, adjusting to a life behind bars and recounting...

Molly Mavity and Pepper Yusef are dealing with their own personal tragedies when they are tasked by an anonymous person with solving the decades-old murder of Ava Dryman, an East German teenager whose diary was published after her death.