WINTERGIRLS by Laurie Halse Anderson

Lia and Cassie had been best friends and both struggled with anorexia.  But their friendship ended quite a while before Cassie's death.  So why did Cassie try to call Lia over 20 times the night she died?   And why did Lia refuse to pick up the phone even after she listened to the messages Cassie left?  Lia has been able to convince her mother, father, and step-mother that she is OK.  But she's not.

Written by the author of SPEAK, this lyrical, heart-wrenching book gives us a glimpse into the pain that produces self-destruction.