"A Touchstone book."

Originally published: New York : Simon & Schuster, ©1996.

Includes bibliographical references (pages 485-506) and index.

Youth (1774-1792) -- Planter (1792-1794) -- Soldier (1794-1800) -- Thomas Jefferson's America (1801) -- The President's secretary (1801-1802) -- The origins of the expedition (1750-1802) -- Preparing for the expedition (January-June 1803) -- Washington to Pittsburgh (June-August 1803) -- Down the Ohio (September-November 1803) -- Up the Mississippi to winter camp (November 1803-March 1804) -- Ready to depart (April-May 21, 1804) -- Up the Missouri (May-July 1804) -- Entering Indian Country (August 1804) -- Encounter with the Sioux (September 1804) -- To the Mandans (Fall 1804) -- Winter at Fort Mandan (December 21, 1804-March 21, 1805) -- Report from Fort Mandan (March 22-April 6,1805) -- From Fort Mandan to Marias River (April 7-June 2, 1805) -- From Marias River to Great Falls (June 3-June 20, 1805) -- The Great Portage (June 16-July 14, 1805) -- Looking for the Shoshones (July 15-August 12, 1805) -- Over the Continental Divide (August 13-August 31, 1805) -- Lewis as ethnographer : the Shoshones -- Over the Bitterroots (September 1-October 6, 1805) -- Down the Columbia (October 8-December 7, 1805) -- Fort Clatsop (December 8, 1805-March 23, 1806) -- Lewis as ethnographer : the Clatsops and the Chinooks -- Jefferson and the West (1804-1806) -- Return to the Nez Percé (March 23-June 9, 1806) -- The Lolo Trail (June 10-July 2, 1806) -- The Marias Exploration (July 3-July 28, 1806) -- The last leg (July 29-September 22, 1806) -- Reporting to the President (September 23-December 31, 1806) -- Washington (January-March 1807) -- Philadelphia (April-July 1807) -- Virginia (August 1806-March 1807) -- St. Louis (March-December 1808) -- St. Louis (January- August 1809) -- Last voyage (September 3-October 11, 1809).