Jack and Annie are on very thin ice!

Morgan Le Fay, the magical librarian, sends the children and the treehouse to the Arctic and tells them she'll send somebody to meet them there. But they're surrounded by ice and snow and there are huskies and polar bears all around them too - will they freeze to death first?

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 and 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 and Annie still have their next riddle to solve. Will the spooky ghost be any help?

Eight-year-old Jack and 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 and Annie get more than they had bargined for when Jack opens a book about dinosaurs and wishes he could see them for real. They end up in prehistoric times with Pteranodons, Triceratops and a huge Tyrannosaurus Rex! How will they get home again? The race is on . . . !

Eight-year-old Jack and 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 and Annie are whisked into the future - to an exciting outer-space hotel! But they've only got two hours before they run out of air . . . Will the mysterious moon man and his map help them get back safely?

Eight-year-old Jack and 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 and 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 and escape from a great cave bear. But when Jack and Annie are chased by a fierce sabretooth tiger and fall into a hunting trap, they're really stuck. Will anybody come to their rescue?

Eight-year-old Jack and 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 and Annie might be on their scariest adventure yet - on the Amazon river! There are army ants, jaguars and piranas, as well as vampire bats, snakes and even crocodiles! And they've still got to find another clue to help rescue Morgan, the owner of the Magic Tree House. For a while, Jack and 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!

Eight-year-old Jack and 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 . . .

When they're whisked away to ancient Egypt in the tree house, Jack and Annie learn how to read hieroglyphics with the help the ghostly Queen of the Nile.

But secret codes aren't the only puzzle they have to solve. How do they get out of the pyramid full of mummies? And there's still the problem of who all these magical books belong to. Who is this mysterious M?

Eight-year-old Jack and 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 and Annie find themselves on another adventure - this time they're in medieval England. It's exactly the same as the story book - there's a castle and a banquet and knights on horseback. But when they find themselves locked in a dungeon, Jack starts to wonder if they'll ever get home again . . .

Eight-year-old Jack and 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 and all its mysterious books is missing and needs Jack and Annie's help! They follow her clues to Japan where they find themselves in the middle of a feud between Japanese ninja warriors and Samurai warlords. Will Jack and Annie find the tree house again? Or will they be caught up in a terrifying battle?