Aggie and Ben are back with a new boy-and-his-dog adventure told in three short chapters just right for early and beginning readers. Ben and Aggie are playing fetch in the park. But when Ben throws the ball too far, Aggie doesn't come back! Ben looks and looks, but he cannot find her. It is the worst day ever. Ben's sadness turns into determination as he retraces his steps, makes posters, and enlists other people to help turn Aggie from a lost pup a found one.Dormer's understated illustrations mixed with Ries' playful text tells the story of the special bond between a boy and his loyal, loveable dog. Young readers will delight in the continuing adventures of Aggie and Ben.