Osborne, Mary Pope creator United Kingdom 1st. ed. 70 p. 8 x 0.2 x 7.8 inches Have you ever met a real live ninja? Jack and Annie do when the Magic Tree House whisks them back to ancient Japan, where they find themselves in the cave of a ninja master. Will they learn the secrets of the ninja? Or will the evil samurai warriors get them first? Did you know that there’s a Magic Tree House book for every kid? Children's Literature Fantasy Action or Adventure Time Travel Historical Fiction 9781862305663 123247