Cade is settling into a new boarding school, contemplating his future, when he finds himself transported to another realm. He soon discovers their new world is populated with lost remnants from the past: prehistoric creatures, ancient relics, and -- stranger still -- people. Overwhelmed by his new surroundings, Cade has little time to adjust, for soon he and his fellow classmates are forced to become contenders in a brutal game, controlled by mysterious...

Winnie and her pet dragon Miss Drake are back to their lessons as they head to the 1915 San Francisco World's Fair and wish-granting souvenirs follow them home.

On Christmas Eve, Jack and Annie's tree house transports them to King Arthur's castle at Camelot, where they undertake a quest to the castle of the Otherworld.

"Mason and Ty were once the very best of friends, like two nerdy sides of the same coin ... until seventh grade, when Ava Petrakis came along. Now Mason can trace everything bad in his life to that terrible fight they had over the new girl. The one thing he'd give anything for is a do-over. But that can't happen in real life--can it? As a science kid, Mason knows do-overs are impossible, so he can't believe it when he wakes up from a freak accident...

Jack and Annie travel to a monastery in the Swiss Alps where, with the help of St. Bernard dogs and magic, they seek the second of four special objects necessary to break the spell on the wizard Merlin's beloved penguin, Penny.

The dark wizard Maldred has trapped dragon master Eko as well as wizards who have opposed him, all of them frozen in time and space inside a wall in his hideout; so Drake and Worm set out to seek the help of the Time Dragon--but when a imp named Beezel interferes Drake ends up back in his own past, and he must find a way to get back to the present.

The magic tree house takes Jack and Annie back in time to feudal Japan where the siblings learn about the ways of the Ninja. Jack y Annie son llevados por la casa del árbol al antiguo Japón. Allí visitan una cueva donde se encuentran con un maestro ninja. ¿Aprenderán los secretos de la naturaleza antes de ser atrapados por los feroces samuráis?--Desde la descripción de la editorial.

Jack and Annie are transported by their magic tree house to the time of the Civil War where they meet Clara Barton. Annie y Jack viajan en la casa del árbol a la época de la Guerra Civil norteamericana. Allí conocen a una destacada enfermera llama Clara Barton, a quien ayudan con todo empeño a socorrer a los soldados heridos en combate. Annie y Jack viven el viaje más dificil hasta el presente, el que marcará sus vidas para siempre.

Their magic tree house takes Jack and Annie back to 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.

Cade Carter and his friends have survived the qualifying round of the mysterious overlords' twisted games, decimated by the loss of so many of their comrades during the fight. But they have no time to mourn, for the next round of trials is about to begin. When the group discovers that their next foe will be even more ferocious than the last, Cade leads them on a quest out into their strange new world to find anything that might give them an edge....