Recounts the 1804-1806 Lewis and Clark Expedition which explored the western half of America, examining the native societies the two men encounted and the effect of their discoveries.

Learn all the ways that electricity is used today. Explains what electricity is, where it comes from, and how it is harnessed and controlled in the home, including the use of wires, light bulbs, and switches

Contains facts and illustrations about dangerous animals arranged alphabetically.

"Describes the life of an army ant by explaining its body parts, habitat, and behaviors. Explains how the army ants work together in a colony to find food, care for the young, and protect the queen ant. Compares the army ant to other ants and insects. Includes life-cycle diagram and close-up photos of body parts"--Provided by publisher.

Examines facts about different kinds of energy.

Provides instant information for young children on over 100 endangered animals. Includes fact panels, key information, size comparison pictures, distribution maps, and risk rating.

"Describes the life of a honeybee by explaining its body parts, habitat, and behaviors. Explains how the honeybees care for their hive, work together, and collect nectar to make honey. Compares the honeybee to other bees and insects. Includes life-cycle diagram and close-up photos of body parts"--Provided by publisher.

"Describes the life of a cockroach by explaining its body parts, habitat, and behaviors. Explains how the cockroaches scavenge for decomposing organic material and compares the many types of cockroaches. Includes life-cycle diagram and close-up photos of body parts"--Provided by publisher.

Introduces the background, voyages, discoveries, and historical significance of Christopher Columbus.