Aquarius underwater laboratory on a coral reef off the Florida Keys. They lived in cramped quarters. They went scuba diving every day—to study the fish of the reef and to use the underwater outhouse. They slept in bunks with the constant crackle of snapping shrimp coming through the shell of their underwater home. Skerry's photographs from the pages of National Geographic Magazine capture the stunning sights of a strange undersea habitat in this winner of the John Burroughs Nature Books for Young Readers Award.

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