With more than 700,000 copies in print, this highly praisedtext has reached m ore readers than any other serious work of world history. This deluxe two-volume set gives readers an added visual dimension of interest and excitement. The Discoverers covers a broad panorama ofhuman achievement, as it tells the story of humanity's growing knowledge and points out pivotal moments of exploration and investigation which expanded the boundaries of the known world. Slipcased. 550 illustrations, 200 in full color.