Eight-year-old Jack and his younger sister Annie use the magic tree house to travel back to the Middle Ages, where they explore a castle and are helped by a mysterious knight.

Their magic tree house takes Jack and Annie deep into the sea, where they meet up with dolphins, sharks, and octopi as they search for the answer to an ancient riddle. Morgan le Fay will make Jack and Annie masters of the tree house if only they can solve four riddles -- which will take four books, of course! Dolphins at Daybreak begins the third set of four books in this magical (and increasingly popular) series! Jack and Annie are off in the Magic...

Jack and his younger sister take a trip in their tree house back to ancient Egypt, where they help a queen's mummy continue her voyage to the Next Life.

On a mission for Merlin, Jack and Annie travel back in time to the Coney Island boardwalk in New York to discover a special secret held by famous illusionist Harry Houdini.

The magic tree house whisks Jack and Annie to India during the Mogul Empire in the 1600s to search for an emerald needed to break a magic spell.

The #1 bestselling Magic Tree House series is ready to whisk you away through time with Jack and Annie! This time, meet famous explorer Leif Erikson and help save a narwhal!
When the magic tree house whisks Jack and Annie to Greenland, they're not sure what time they've landed in, but they immediately know what their mission is: save a narwhal! Then they meet a young hunter named Leif Erikson and they ask for his help. But Leif has other...

"Jack and Annie use the magic tree house to travel back in time to 1947 Brooklyn, New York, where they pretend to be batboys at Jackie Robinson's first game with the Brooklyn Dodgers against the Boston Braves"--

Hurry Up, Houdini!
Jack and Annie are heading out on another mission for Merlin the magician! This time they have to find a famous stage magician, the great Harry Houdini. But when the magic tree house whisks them to Coney Island, they land in an amusement park. They will have plenty of time for fun before Houdini performs—and plenty of time to get into trouble!
This time the trouble is between Jack and Annie. When they have

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Retells, in graphic novel form, the tale of eight-year-old Jack and his younger sister Annie, who find a magic treehouse which whisks them back to an ancient time zone where they see live dinosaurs.