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Describes the discovery, principles, and types of lasers, the light they produce, their contributions to industry, medicine, war, crime detection, communication, and other fields--and future uses of their amazing powers.

Presents the history of the holiday named for civil rights leader Martin Luther King, Jr., celebrated on the third Monday of every January.

This book provides an introduction to the weather, geography, animals, and languages of South America.

Discusses the geography, history, government, people, and culture of this southeast Asian country.

Text and color photos describe Costa Rica, including its land, landmarks, language, culture, leisure, and everyday life.

An introduction to the North American continent, explaining where it is, and discussing the weather, natural features, plants, animals, languages, cities, rural areas, and famous places in North America. Includes fast facts and a glossary.

An introduction to the Australian continent, explaining where it is, and discussing the weather, natural features, plants, animals, languages, cities, rural areas, and famous places in Australia. Includes fast facts and a glossary.

An introduction to the land, culture, and people of Colombia.

Presents examples of women who helped to shape the Western frontier in such diverse roles as schoolteacher, missionary, justice of the peace, and homesteader.

Describes the childhood, training, career, and contributions of the man known for his military leadership during World War II.