This adventurous biography highlights the expeditions made by Meriweather Lewis and William Clark. Readers will be able to explore the amazing accomplishments that these two men, Sacagawea, and the rest of the Corps of Discovery made. The incredible journey of these surveyers and mountaineers are explained through vivid images, easy to read text, fascinating facts, and a supporting glossary and table of contents. Readers will be sure to be enthralled from beginning to end!