P. G. Bell's Delivery to the Lost City is the thrilling conclusion of the Train to Impossible Places trilogy, a magical middle-grade adventure. When the Impossible Postal Express is charged with returning an overdue library book, Suzy Smith looks forward to a nice, simple delivery-just the thing she needs to convince her anxious parents to let her keep her job on the train. So she's less than thrilled to discover that not only is the book alive, it's...