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.

New Look! Relaunched with new jackets and 8 pages of new text! Here is a spectacular and informative guide to the glories of ancient Greece. Superb color photographs of armor, jewelry, temples and much more offer a unique "eyewitness" view of the history, daily life, beliefs and achievements of the ancient Greek civilization. See the golden mask of Agamemnon, the luxurious palaces of Crete, an armed hoplite ready to do battle, the Parthenon Frieze,...

Presents an illustrated look at the Vikings--their ships and weapons, heroes and myths, and great adventures in war and exploration.

"Take a trip through time and witness the deadliest war in US history. With the help of expert historians, find out how the fight to end slavery sparked the war, see the weapons used by soldiers on the battlefields, and meet the people who risked their lives on the front lines."--

Discusses what an epidemic is, how it evolves, various causes and carriers, and efforts to prevent epidemics.

A guide to the origins, principles, and historical study of light.

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.

Provides a speculative look ahead to the technological, environmental, and biological developments of the twenty-first century.