Fact finders. Landmarks in U.S. history

Readers will learn why the Santa Fe Trail was created, how pioneers successfully journeyed across it, and why it was so important to the development of the United States.

Emily and her winged horse, Pegasus, face an ancient challenge of Olympic proportions in this fourth book of an exciting series. A deadly plague has struck Olympus. While the Olympians fade one by one, Emily's heart breaks as she watches, particularl.

Jump on your horse, and prepare for an adventure. Deliver the mail along with the brave employees of the Pony Express as they face dangerous terrain, frightful weather, and hostile American Indians.

Try your luck, and search for your fortune in California! Follow the joy and heartbreak of the '49ers during the California Gold Rush.

Take an exciting trip along with the Lewis and Clark Expedition! Readers will follow the daring explorers as they make their way across the uncharted American interior to the Pacific Northwest.