This spine-tingling ghost story follows a tween girl who's being literally haunted by loneliness until a new friendship upends her life. From the bestselling author of the Paola Santiago series "Absolutely haunting "--Delilah S. Dawson, New York Times bestselling author of Mine A BOOKLIST BEST BOOK OF THE YEAR Sadie Rivera has been haunted all her life by a vengeful ghost--a ghost that doesn't want...