Written by an expert in marine biology, this book is a voyage across-and beneath-the vast seas that have fascinated us since history's beginnings, with informat

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Provides an introduction to the command center for United States miliary operations, and discusses the history of the physical structure, its organization, pers

Now armchair adventurers can find out about the physical, geological, and climatological conditions of the poles; their unique flora, fauna, and human inhabitan