The beautiful struggle of a girl desperate for the one relationship that has caused her the most pain. In "one of the most lyrical novels I've ever read. Haunting and exquisite. " --Nicola Yoon, #1 New York Times bestselling author of Everything, Everything and The Sun is Also a Star Cassie O'Malley has spent the past two and a half years in a mental institution--dumped there by her mother, against her will. Now, at 18, Cassie emancipates herself, determined to start over and reclaim her life. But when the unhealthy mother-daughter relationship that defined Cassie's childhood and adolescence threatens to pull her under once again, Cassie must decide: whose version of history is the truth, and whose life must she save?.