From the award-winning, New York Times bestselling author of A Rover's Story and Other Words for Home comes an extraordinary story about two friends, a ghost, a missing painting, and a turtle named Agatha. The perfect next read for fans of The Swifts, Kate DiCamillo, and Erin Entrada Kelly. A painting has been stolen... When Rami sees a floating girl in the museum, he knows he has seen her somewhere before. Then he...