The magic tree house takes Jack and Annie to an African rainforest, where the siblings encounter gorillas and learn to communicate with them.

Jack and Annie travel in their Magic Tree House back to a Hawaiian island of long ago where they make friends, learn how to surf, and encounter a tsunami.

It is a dark and snowy night when the magic tree house whisks Jack and Annie back to the Revolutionary War. General George Washington is about to lead his army in a sneak attack against their enemy. But now the terrible weather is making the great general question his plans. Can Jack and Annie keep history on track? The fate of the country rests in their hands!

When his friend moves away, a boy sets out on a journey to find her.

Board a commuter train in New York, then follow the journey west and see the stations, the scenery, the different types of trains, and all the people who travel and work on the railroad system.

Skippyjon Jones, the Siamese cat that thinks he is a Chihuahua dog, has an adventure on Mars.

Sydney is a skunk and Taylor is a hedgehog, but no matter how odd the pairing may seem, their friendship comes naturally. They live happily in their cozy burrow under Miss Nancy's potting shed . . . until the day Taylor gets his Big Idea to go see the Whole Wide World. From mountains taller than a hundred hedgehogs, valleys wider than a thousand skunks, to the dangers that lie in the human world, Sydney and Taylor wanted to see it all. With a map...

The magic tree house takes Jack and Annie to Antarctica to search for the fourth secret of happiness for Merlin.

A child's grandmother travels around the world, buying things in quantities that illustrate counting from one to ten.

Left on their own in seventeenth-century London, three impoverished children draw upon all their resources to stay together and make their way to the Virginia colony in search of their father.