¿Murciélagos vampiro y hormigas soldado? Annie y Jack se encuentran con estas criaturas cuando la casa del árbol los leeva al bossque tropical, en la cuenca del Amazonas"--back cover.

The magic tree house takes Jack and Annie back in time to feudal Japan where the siblings learn about the ways of the Ninja.

When the magic tree house deposits Jack and Ann in a Hawaiian island of long ago they must help the villagers avoid a tidal wave heading to the island.

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.

Provides readers with answers to questions regarding the diverse creatures who live in the oceans, with a review of some of the myths regarding sea monsters and the like.

When Jack and Annie got back from their adventure in Magic Tree House #42: A Good Night for Ghosts, they had lots of questions. What are some of the most famous ghost stories? Why do people believe in ghosts? Do most cultures have ghost stories? What are ghost hunters? Find out the answers to these questions and more as Jack and Annie track the facts. Filled with up-to-date information, photos, illustrations, and fun tidbits from Jack and Annie, the...

Annie and Jack present information about ancient Greece and the athletic events known as the Olympic games that were held there.

Jack and Annie's guide to geological disasters describes the warning signs that a tsunami is on the way, looks at how meteorologists can predict earthquakes, and discusses how volcanoes form.