Jack and Annie look at knights, armor, and life in a castle.

Jack and Annie do research to learn more about the history of pirates, pirate ships and the voyages pirates made throughout the world.

Jack and Annie present information about the universe, including our solar system, and briefly describe the history of space travel and of the science of astronomy.

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

An introduction to natural disasters including tsunamis, earthquakes and avalanches.

How do penguins survive in frigid conditions? What happens at a research station in Antarctica? How long can an emperor penguin go without food? What other creatures live in the Antarctic? Find out the answers to these questions and more in the Magic Tree House Research Guide: Penguins and Antarctica.

Join Jack and Annie as they research leprechauns and Irish folklore and find out the facts behind the fiction