A castle looms dark against the light of the moon. No candles burn in its windows. No laughter rings through its halls. What has happened to the castle and the people who lived there Merlin the magician asks Jack and Annie to find out. But are they brave enough to step through the creaking doors and solve the mystery of how the castle became haunted?
MErlin the Magician will not eat or sleep or speak to anyone in Camelot. So the enchantress Morgan asks Jack and Annie to help. They must travel in the magic tree house to majestic world of ancient Japan to find one of the secrets of happiness. They have a research book to guide them and a magic wand with three special rules. Will that be enough to help Jack and Annie complete their missions?
In order to save Merlin, Jack and Annie continue their quest for the secrets of happiness. But when the magic tree house leads them to a deserted island, they're not sure who needs help more-Merlin or them! A Shipful of explores and scientis saves them, but the rescuers aren't looking for the secrets of happines. They're looking...a sea monster! Will Jack and Annie wind up in the monster's clut…
To save Penny the penguin, Jack and Annie must go back in time to get a special feather from Abraham Lincoln himself! But Lincoln is too busy running a country at war. So the kids go even further back to look for Abe as a boy. There they meet an orphannamed SAm who also needs their help. Can Jack and Annie save a president, a new friend, and Penny, too?
Jack and Annie are on the run! When the mahgic tree house wisks them to the Amazon River; they dodge killer ants and vampire bats. It's not long before they get hopelessly lost. Will they be able to find their way back to the tree house? Or are Jack and Annie stuck in the rain forest forever?
when Jack and Annie receive an invitation to spend Christmas Eve in Camelot a magical place that exists only in myth and fantasy they know they are in for their biggest will send them on a quest to save Camelot. Can they suceed even though Caelot's greates knights have failed
Brrr! Jack and Annie are in bathing suits when the magic tree house whisks them back to the Ice Age. They meet cave people and woolly mammoths. Will Jack and Annie make it back to the tree house before they freeze? Or will they be a sabertoot's dinner?