Night of the Ninjas (Magic Tree House #5) Paperback – January 1, 1995 by Mary Pope Osborne
Book 5 of 38: Magic Tree House
 
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?
 
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