New York: The Viking Press, (1986.). Hardcover first edition - His third and final volume on the study on science and the exploration of the American West that he began with his Pulitzer prize-winning 'Exploration and Empire' and continued in 'Army Exploration in the American West.' This volume has a wider focus, influenced in part by the United State's current global power - in this book, he covers over two centuries - from the 17th to the 19th - as he examines scientific development on an international scale, relating advances in Europe to the American scene, and showing how the explorations of Europeans affected the growth of the American West and the work of American scientists, explorers, and artists. Includes several 'portfolios' of art. Bibliographical notes, index. 524 pp. Map endpapers. ISBN: 0-670810681.