The New York Times bestselling story of a friendship frozen between life and death Lia and Cassie are best friends, wintergirls frozen in fragile bodies, competitors in a deadly contest to see who can be the thinnest. But then Cassie suffers the ultimate loss--her life--and Lia is left behind, haunted by her friend's memory and racked with guilt for not being able to help save her. In her most powerfully moving novel since Speak,...