This book describes how crystals form in nature, how crystals are grown artificially, and how crystals are used in industry. Numerous color photographs with text identify the various gemstones.
This is a photo essay about the history, development, and impact of automobiles, from horseless carriages and Model T Fords to today's high-performance racing cars. Detailed cutaway photographs show how the moving parts of a car work.
This is a photo essay on the world of birds examining such topics as body construction, feathers and flight, the adaptation of beaks and feet, feeding habits, courtship, nests and eggs, and bird watching.