From Barbara O'Connor, the New York Times-bestselling author of Wish, comes a big-hearted story about the meaning of friendship, the challenges of growing up, and one lovable runaway dog. Mavis Jeeter is fearless and bold, but she has never lived in one place long enough to have a real best friend. Her flighty mother has uprooted them again to another new home and taken a job as a housekeeper for the Tully family...