50 pp. Introduction about the mid-eighteenth-century masterwork Encyclopedie, ou Dictionnaire raisonne des sciences, des arts et des metiers (Encyclopedia, or a Systematic Dictionary of the Sciences, Arts and Crafts), edited by Denis Diderot and Jean Le Rond d Alembert. 50 illustrations to color. Lay-flat binding and high-quality paper-easy to use with all your fine coloring tools.