Eight-year-old Jack & his little sister Annie are playing in the woods during their summer holiday when they find a mysterious tree house full of books. But these are no ordinary books.. . And this is no ordinary tree house.. . Jack & Annie get more than they had bargined for when Jack opens a book about dinosaurs & wishes he could see them for real. They end up in prehistoric times with Pteranodons Triceratops & a huge Tyrannosaurus Rex! How will they get home again? The race is on.. .! ...

The tree house lands in Wild West America but there's no one around. Has it landed in a ghost town? When a gang of nasty horse thieves gallop past it's not long before Jack & Annie are swept up in another adventure. With their new cowboy friend Slim they set out across the prairie to rescue Slim's mare from the horse thieves. But Jack & Annie still have their next riddle to solve. Will the spooky ghost be any help? ...

Jack & Annie are on very thin ice! Morgan Le Fay the magical librarian sends the children & the treehouse to the Arctic & tells them she'll send somebody to meet them there. But they're surrounded by ice & snow & there are huskies & polar bears all around them too
- will they freeze to death first?
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For this adventure Jack & Annie are in Ancient China! When the tree house lands in ancient China Jack & Annie are told to beware the fearsome emperor.. . It's not long before they learn the warning is right! In search of an old Chinese legend they head to the palace of the dragon king. But he is not pleased to see them! & when they find themselves lost in his spooky burial grounds only magic will help Jack & Annie escape! ...

Its off to Ancient Greece for the children & the tree house! They land just in time for the exciting Olympic Games with the athletes wrestlers & chariot racers all ready to go. But when Annie finds out no girls are allowed theres trouble in store... ...

Eight-year-old Jack & his little sister Annie are playing in the woods during their summer holiday when they find a mysterious tree house full of books. But these are no ordinary books.. . And this is no ordinary tree house.. . Morgan le Fay
- the owner of the Magic Tree House & all its mysterious books is missing & needs Jack & Annies help! They follow her clues to Japan where they find themselves in the middle of a feud between Japanese ninja warriors & Samurai warlords. Will Jack & Annie find the tree house again? Or will they be caught up in a terrifying battle?
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Eight-year-old Jack & his little sister Annie are playing in the woods during their summer holiday when they find a mysterious tree house full of books. But these are no ordinary books.. . And this is no ordinary tree house.. . Jack & Annie might be on their scariest adventure yet
- on the Amazon river! There are army ants jaguars & piranas as well as vampire bats snakes & even crocodiles! & they've still got to find another clue to help rescue Morgan the owner of the Magic Tree House. For a while Jack & Annie are worried that they might be stuck in the rain forest for ever.. . But the over-active monkey they meet turns out to be friendlier than they first thought!
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Eight-year-old Jack & his little sister Annie are playing in the woods when they find a mysterious tree house full of books. But these are no ordinary books.. . And this is no ordinary tree house.. . Jack & Annie travel back in time wearing only their swimsuits! When the tree house lands in the freezing Ice Age they have to hide from hunters & escape from a great cave bear. But when Jack & Annie are chased by a fierce sabretooth tiger & fall into a hunting trap they're really stuck. Will anybody come to their rescue? ...

Eight-year-old Jack & his little sister Annie are playing in the woods during their summer holiday when they find a mysterious tree house full of books. But these are no ordinary books.. . And this is no ordinary tree house.. . Jack & Annie are whisked into the future
- to an exciting outer-space hotel! But theyve only got two hours before they run out of air.. . Will the mysterious moon man & his map help them get back safely?
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After a break from their trips in the tree house Jack & Annie are delighted to find that its back! Morgan le Fay needs their help but theyll have to become Master Librarians first & that means solving four riddles. For the first one Morgan sends them deep into the middle of the ocean. Jack & Annie ride in a mini-sub & meet jellyfish sea horses & an octopus. But there are some scary sharks in the deep & the friendly dolphins have to come to the rescue... ...