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; featuring detailed cutaway photos showing how the moving parts of a car work.
A photo essay tracing the history and development of aircraft from hot-air balloons to jetliners. Includes information on the principles of flight and the inner workings of various flying machines.
Photographs and text examine the world of mammals, depicting their development, feeding habits, courtship rituals, protective behavior, and physical adaptation to their various ways of life.
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.
Photographs and text explore the anatomy and life cycle of trees, examining the different kinds of bark, seeds, and leaves, the commercial processing of trees to make lumber, the creatures that live in trees, and other aspects.