Undaunted Courage: Meriwether Lewis, Thomas Jefferson, and the Opening of the American West

From the New York Times bestselling author of Band of Brothers and D-Day, the definitive book on Lewis and Clark’s exploration of the Louisiana Purchase, the most momentous expedition in American history and one of the great adventure stories of all time.

First edition. 1996. Hardcover with dust jacket. Published by Simon and Schuster. By Stephen E. Ambrose.