Osborne, Mary Pope creator United States of America 1st. ed. 112 p. 9 x 0.38 x 7.63 inches Merlin’s beloved penguin, Penny, has been put under a spell! To save her, Jack and Annie must find a rare and precious emerald. When the magic tree house whisks them back to India over four hundred years ago to search for the jewel, they discover an amazing and exotic world filled with great danger. Children's Literature Fantasy Action or Adventure Time Travel 9780545543651 124162