A photo essay examining the design, construction, and uses of hand weapons and armor from a Stone Age axe to the revolvers and rifles of the Wild West.

Photographs and text explore the behavior and life cycles of butterflies and moths, examining mating rituals, camouflage, habitat, growth from pupa to larva to adult, and other aspects.

Discusses the evolution, structure, and function of the human and animal skeletal systems.

Text and photographs explore the world of the dinosaurs, focusing on such aspects as their teeth, feet, eggs, and fossils.

A photographic essay about flags from countries all over the world and such special flags as signal flags for ships and boats, flags for special festivals and sports, political flags and coats of arms. Also includes information about the meaning of shapes and colors on flags.

Text and pictures introduce musical instruments from early times to the present--from pipes and flutes to electronic synthesizers.

Brief text and photos introduce the animal inhabitants of the seashore, including fish, crustaceans, snails, and shorebirds.

A photo essay on ancient Egypt and the people who lived there, documented through the mummies, pottery, weapons, and other objects they left behind. Describes their society, religion, obsession with the afterlife, and methods of mummification.

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.