Jandy Nelson

"Adrift after her sister Bailey's sudden death, Lennie finds herself torn between quiet, seductive Toby--Bailey's boyfriend who shares Lennie's grief--and Joe, the new boy in town who bursts with life and musical genius. Each offers Lennie something she desperately needs. One boy helps her remember. The other lets her forget. And she knows if the two of them collide, her whole world will explode"--

Told in alternating voices, the Fall siblings each encounter the mysterious Cassidy at integral points in their lives, helping them untangle their relationships and uncover the truth about their father's disappearance.