Jack and Annie are ready for their next fantasy adventure in the bestselling middle-grade series-the Magic Tree House! It's a treasure trove of trouble! Jack and Annie are in for a high-seas adventure when the Magic Tree House whisks them back to the days of deserted islands, secret maps-and ruthless pirates! Will they discover a buried treasure? Or will they be forced to walk the plank? Visit the Magic Tree House website! MagicTreeHouse.com From the Trade Paperback edition.