"More than 1,300 alphabetically arranged entries. The biographical articles cover both nineteenth- and twentieth-century photographers and inventors of photographic techniques and products ... accompanied by examples of their finest work ... Also included is a special biographical appendix of 2,000 other significant photographers ... technical entries, illustrated with more than 100 helpful diagrams and charts ... There are 65 pages of four-color photographs and more than 200 duotone photographs"--Dustjacket.