Alice and her beloved pony, Scout, are on a winning streak. But Scout is only on loan to Alice and his success hasn't gone unnoticed . . . When Scout's mysterious owner Mrs Valentine suddenly puts him up for sale, the Pony Detectives make it their mission to save Scout for their friend. But as the girls investigate further, they uncover more shady goings-on than they had bargained for. The second book in the adventure-filled THE PONY DETECTIVES mysteries.