DK eyewitness books

Including information about election campaigns, first families, groundbreaking speeches, and the creation of the U.S. Constitution, this book is a visual guide to America's highest office.

Discusses the history of astronomy, including the discovery of the planets, sun, stars, and distant galaxies, and details human exploration of the universe.--.

Surveys various sources of energy and the ways in which they've been harnessed.

Provides an overview of a variety of science concepts, covering such topics as atoms, elements, energy, forces, physics, and explosive chemical reactions.

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

Photographs and text depict the many different kinds of reptiles, their similarities and differences, habitats, and behavior. Includes one CD of clip art.

Photographs and text provide information about a variety of animals found in ecosystems around the world.

A photo-illustrated exploration of crime and detective work, which covers famous crimes in history, various kinds of crime, forensic analysis, and crime-solving techniques.

Photographs of medieval artifacts, sites, and artworks provide a portrait of life in the Middle Ages, including the feudal lords and their manors, tournaments, court life, and the role of the church.

Examines creatures around the world that are currently threatened with extinction, along with the ways that people can help them survive.