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A riotously colorful history of adventures, chronicling more than 400 years in the exploration of the world's most formidable and enigmatic river system. Photog

A riotously colorful history of adventures, chronicling more than 400 years in the exploration of the world's most formidable and enigmatic river system. Photog

An informative, fascinating resource suitable for students, researchers, and general readers, this biographical dictionary is a "who was who" of world and space

"In The Explorers, New York Times bestselling author Martin Dugard shares the rich saga of the Burton and Speke expedition. To better understand their motivatio

The Amazon is a land of superlatives. The complex ecosystem covers an area about the size of the continental U.S. The Amazon River discharges 57 million gallons