In a brilliantly twisted debut set among Boston's elite, Edwin Hill introduces unforgettable sleuth Hester Thursby-and a missing persons case that uncovers a trail of vicious murder . . . Harvard librarian Hester Thursby knows that even in the digital age, people still need help finding things. Using her research skills, Hester runs a side business tracking down the lost. Usually, she's hired to find long-ago prom dates or to reunite adopted children...