Jack and Annie are on a mission to learn the final secret of happiness! The magic tree house whisks them away to Antartica, land of ice and snow penguins. They're suppposed to find the Cave of the ancient Crown. But when they meet a group scientist and reporters, Jack and Annie discover that they are not in the past. How will they find an ancient crown in moderns times?
The magic tree house whisks Jack and Annie away to eighteenth-century Austria to attend a party at one of the most marvelous palaces in Europe. While there, they meet a funny little boy who gets into big trouble. Decked out in the craziest outfits they've ever worn, Jack and Annie must use their magic to save him and somehow bring happiness to millions of people!
To help Jack and Annie find four secrets of greatness, the magic trree house whisks them back in time to meet Alecander the Great. He should kno all about greatness, right? BUt young Alexander is bossy, vain, and not great at all! It's going to take a wild black stallion, magic from Merlin, and a lot of bravery for Jack and Annie to succeed
Merlin the magician sends Jack and Annie back in time to the Coney Island boardwalk in New York. They must search for Harry Houdini, the greatest magician who ever lived! But can they find the master escape and learn a special secret from him? Jack and Annie will have to work some magic of their own to complete this adventure!
MErlin the magician is sending Jack and Annie on an important mission to find a world-famous nurse, Florence Nightingale. BUt when the magic tree house whisks them off to Egypt, they meet florence, who isn't nurse at all! Have they found the right person? Or did Merlin make a mistake? An easy mission turns dangerous when Jack and Annie try to solve the mystery!
Merlin the magician sends Jack and Annie to New Orleans, Louisiana, in 1915 to inspire young Louis Armtrong to bring jazz to the world. But Louis can't play music...he is too busy working. Soon Jack and Annie make the frieghtning discovery that New Orleans is haunted! It will take a host a of ghosts and a daring plan to make this mission succes.
Jack and Annie are whisked back to long-ago Ireland to inspire a girl named Augusta to share her creativity with the world. But Augusta is the least imaginative person they've ever met! Then Jack and Annie use a special whistle to show her a magical world. When their plan backfires, they must rescue their new friend! Or will Augusta be lost forever?
The magic tree house whisks Jack and Annie to victorian London, where they must help Charles Dickens. But the famous author has everything he could possibly want. Then Mr Dickens rescues them, and they discover the sad memories that haunt him. Can Jack, Annie and three friendly ghosts save him from his past?
Jack and Annie must find four things to save Merlin's penguin, Penny, from a spel! The first is a rare emarld. To find it, they travel back in time to India over four hundred years ago and discover an amazing world filled with danger. Will Jack and Annie get the emerald, escape the king cobras, and make it back to the magic tree house in one piece?