Exciting new magical adventure series - will you answer the call of the Silver Dolphins? Antonia is thrilled to win first prize in the Sea Watch poster competition - a dolphin charm necklace. But when she is presented with it, she is mysteriously told to `always answer the call'. Soon she discovers that her necklace has magical powers that draw her to the sea where she meets a pod of dolphins and learns she has been chosen for a very special role. But Antonia's new responsibilities not only conflict with her friendships; they also bring her into danger. Is she brave enough to face her fears? And can she be a Silver Dolphin without losing her best friend?