An illustrated account of the amazing two-year journey of Lewis and Clark across the American West. In the early 1800s William Clark and Meriwether Lewis set out at the request of President Thomas Jefferson to explore the Louisiana Territory. For two years four months and nine days the men and their crew traveled the rivers plains and forests of the west discovering unknown plants and animals and making contact with many native tribes. This simple introduction to their epic journey is perfect for young readers featuring large-format illustrations a timeline of important events and an afterword that describes the lives of the explorers after their return home.