They were so bold, so brave and so bodacious that their journey would not only be America’s first great expedition, but also its most important one until man walked on the moon 165 years later. It’s impossible to talk about Lewis and Clark without using superlatives: the first, the best, the longest, the only. Even historians who report the halos and warts alike can’t help themselves. Stephen E. Ambrose’s bestseller on the thousand-day, 8,000-mile odyssey is titled Undaunted Courage.

January 2003