Ambrose, Stephen E. Undaunted Courage: Meriwether Lewis, Thomas Jefferson, and the Opening of the American West. New York: Simon and Shuster, 1995.
A comprehensive, thoroughly researched review of the Lewis and Clark Expedition
Kroll, Steven. Lewis and Clark: Explorers of the American West. New York: Holiday House, 1994.
A beautifully illustrated children's book containing a simple narrative of the expedition
McGrath, Patrick. The Lewis and Clark Expedition.. Morristown, New Jersey: Silver Burdett Company, 1985.
An informational book for older children detailing the history behind the expedition and its impact on America. Contains samples from Lewis" and Clark's journals as well as many historic renderings of the expedition
Morley, Jacqueline. America: The Story of Lewis and Clark. New York: Franklin Watts, 1998.
A children's book of the Lewis and Clark expedition organized around a time line of their expedition
If you go to Discovery Path and choose Native Nations, there are specific stories of various tribes" interactions the Lewis and Clark.
Lewis and Clark http://www.nationalgeographic.com/lewisandclark
This National Geographic interactive website effectively uses historical maps, journals, and notes of discoveries to bring the Lewis and Clark journey alive.
Lewis and Clark on the Information Superhighway http://www.lcarchive.org/
This clearinghouse website lists many websites related to the Lewis and Clark expedition.
Rivers, Edens, Empires: Lewis and Clark and the Revealing of America http://www.loc.gov/exhibits/lewisandclark/
This Library of Congress website contains digital photos and descriptions of artifacts from the Lewis and Clark expedition.