The New York Times bestselling story of a friendship frozen between life and death. “A fearless, riveting account of a young woman in the grip of a deadly illness.” —The New York Times 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 pow…Show more