Theodore Roosevelt's writing has the same verve, panache, and energy as the life he lived. Perhaps no president in U.S. history--not even Jefferson--had so many opinions and intellectual interests, believed in so many causes, or worked so hard to translate his beliefs into action. A hard-headed idealist, an unabashed interventionist, a crusader on behalf of environmental preservation and against big business "trusts," he was also a writer of uncommon grace and passion with a gift for the memorable phrase. His autobiography, one of the two or three finest ever written by a U.S. president,...