Eight-year-old Jack and his younger sister Annie find a magic treehouse, which whisks them back to an ancient time zone where they see live dinosaurs.

George and Harold are forced to contemplate a world without Captain Underpants.

Magic tree house series, #8. The magic tree house takes Jack and Annie to a moon base in the future where they continue to search for the fourth thing they need to free their friend Morgan from the magician's spell.

Magic Tree House #28. Jack and Annie travel in their magic tree house back to a Hawaiian island of long ago where they make friends, learn how to surf, and encounter a tsunami.

Magic tree house series, #4. The magic tree house whisks Jack and Annie back to the days of deserted islands, secret maps, hidden gold, and nasty pirates.

When thirteen-year-olds Jonah and Chip, who are both adopted, learn they were discovered on a plane that appeared out of nowhere, full of babies with no adults on board, they realize that they have uncovered a mystery involving time travel and two opposing forces, each trying to repair the fabric of time.

Magic tree house series, #16. Their magic tree house takes Jack and Annie back to a retrieve a lost story in ancient Greece, where they witness the original Olympic games and are surprised to find what girls of the time were not allowed to do.

Magic tree house series, #22. Using their magic tree house, Jack and Annie travel back to the time of the American Revolution and help General George Washington during his famous crossing of the Delaware River.

While visiting family in China, Mia Tang witnesses some of the big changes the country is going through, which makes her think about the changes in her own life that need to be dealt with.

This time a strange flashing cube from the magic suitcase sends them to a nearby city, Hadenstown, in the future, and they find themselves surrounded by flying cars, tall glass buildings, and robots; but Randall is also there, and the two children must scramble to figure out just what the mysterious cube is and get it back where it belongs--and their quest brings Chase face-to-face with his future self, Professor Teslar.