This edition contains no advertising, and has stitched binding. It covers the whole story of the expedition, beginning east of the Mississippi River as Thomas Jefferson and Meriwether Lewis planned, and Lewis trained and traveled, in Virginia, District of Columbia, Pennsylvania, West Virginia, Ohio, Kentucky, Indiana, Illinois. Then follows Lewis and Clark and company to the Pacific and back to St. Louis. Accessible history text combines with tourism information on following their path today, and maps combine both then and now. Extensive index.