The secret of platform 13: Odge Gribble, a young hag, accompanies an old wizard, a gentle fey, and a giant ogre on their mission through a magical tunnel from their Island to London to rescue their King and Queen's son, who had been stolen as an infant. The island of the aunts: As they get older, several sisters decide that they must kidnap children and bring them to their secluded island home to help with the work of caring for an assortment of unusual sea creatures.

Island of the aunts / Eva Ibbotson ; [Kevin Hawkes, illustrator]. "Flip over"--Cover. "Two books in one!"--Cover. Includes "preview of the newest novel from Eva Ibbotson, Journey to the sea."