While on a mission to prove to Merlin that they can use magic wisely, Jack and Annie travel to seventeenth-century Venice, Italy, to save the city from disaster. Merlin has asked Jack and Annie to help on another Merlin Mission. This time they head back into history to Venice, Italy, in the 1700s. With the help of some new friends, a research book, and a mysterious rhyme from Merlin, the heroes will save the beautiful city from a flood! Yet another...

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.

Magically transported to southwest China to find the final object needed to break the spell on the wizard Merlin's beloved penguin, Jack and Annie take a side trip to the world's largest giant panda reserve.

A perfect time for pandas: Magically transported to southwest China to find the final object needed to break the spell on the wizard Merlin's beloved penguin, Jack and Annie take a side trip to the world's largest giant panda reserve. Stallion by starlight: "Travel to Ancient Greece with Jack and Annie as they meet Alexander the Great and help tame his wild stallion"--

"The magic tree house has returned and it s taking Jack and Annie back in time to Alaska, 1925. There they meet Balto, a jet-black Siberian husky destined to save victims of the diphtheria epidemic. But the trail isn't t easy, and Balto is going to need Jack and Annie s help!"--

Jack and Annie go on a series of missions in order to help the wizard Merlin, traveling around King Arthur's realm and to such places as Venice, Baghdad, Paris, and New York City.

Annie y Jack están listos para viajar en la casa del árbor a la Antártida, tierra de hielo, nieve y pingüinos. Su misión es hallar el último secreto de la felicidad. Les han encomendado buscar la Cueva de la Antigua Corona, pero al conocer a un grupo de científicos y periodistas, descubren que no han viajado al pasado. ¿Cómo harán Annie y Jack para dar con una antigua corona en tiempos modernos? The magic tree house takes Jack and Annie...

Jack and Annie travel back to Victorian London when Merlin asks them to use their magic to inspire Charles Dickens to write "A Christmas Carol."

Jack and Annie travel to Vienna, Austria, in 1762 where they meet the young Wolfgang Amadeus Mozart and his sister and help save the budding genius's life.