Their magic tree house takes Jack and Annie back to a monastery in medieval Ireland, where they try to retrieve a lost book while being menaced by Viking raiders.

Their magic tree house takes Annie and Jack to Pompeii just as Vesuvius is about to erupt, and they must find a Roman scroll before everything is covered with burning ash.

The magic tree house transports Jack and Annie on a mission to the Ice Age where they encounter Cro-Magnons, cave bears, sabertooth tigers, and woolly mammoths.

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.

Their magic tree house takes Jack and Annie to the Arctic, where a polar bear leads them onto very thin ice.

The magic treehouse 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.

The magic tree house takes Jack and Annie to Africa where they meet up with wonderful wild animals, a very hungry warrior, and where they even solve a riddle.

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.

The magic tree house transports Jack and Annie to the deck of the Titanic to find the mysterious gift that will free a small dog from a magic spell. "Annie y Jack se embarcan en una aventura emocionante, terrible y triste cuando la casa del árbol los lleva a la cubierta del Titanic. ¿Habrá also que puedan hacer para ayudar en el trágico desenlace de la historia? ¿Serán capaces de salvar la vida de alguien? ¿Y la de ellos mismos?" --Back cover....

Jack and Annie travel back in time to medieval England for an adventure inside a storybook castle, from feasting hall to dreadful dungeon. With humor and magic, this critically acclaimed author brings history to life in this First Stepping Stone book. Illustrated.