High Tide In Hawaii Author:Mary Pope Osborne Jack and Annie are ready for their next adventure in the bestselling middle-grade series—the Magic Tree House! — Catch the wave! — That's what Jack and Annie do when the Magic Tree House whisks them back to a Hawaiian island of long ago. They learn how to surf and have a great time—until strange things start happening. Jack and Annie soon discover... more » the cause: A tidal wave is headed their way! Can they help save their new friends in time?« less