Eight-year-old Jack and his younger sister Annie use the magic treehouse to travel back to the Middle Ages, where they explore a castle and are helped by a mysterious knight. A castle with a secret passage! That's what Jack and Annie find when the Magic Tree House whisks them back to the Middle Ages for another wild adventure. In the Great Hall of the castle, a feast is under way. But Jack and Annie aren't exactly welcome guests!

The magic treehouse whisks Jack and Annie back to the days of deserted islands, secret maps, hidden gold, and nasty pirates. 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?

Jack and Annie are whisked 40 years forward in time and land at an international space station on the moon. There they don space suits and go exploring the lunar surface in search of the fourth object needed to free the enchantress Morgan le Fay from a powerful spell.

Jack and his younger sister, Annie, stumble upon a tree house filled with books. Before Jack and Annie can figure out the mystery of the tree house, it whisks them back to the prehistoric past. Now they have to figure out how to get home. Can they do it before dark, or will they be become a dinosaur's dinner? -

"There's a whisper in the shadows, a silent warrior. It's a ninja! The magic tree house has whisked Jack and Annie to ancient Japan. They need to learn the secrets of the ninja in order to help their friend Morgan! But how do you find a warrior that hides in the shadows? You don't find a ninja . . . the ninja finds YOU!"--