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Front Matter  Front Cover, On the Cover (cover design, photo credits), Title Page, and Table of Contents (PDF, 275kb)

Introduction (PDF, 478kb)

Sky (PDF, 673kb)

Sea (PDF, 809kb)

Ice (PDF, 1.4mb)

Land (PDF, 742kb)

Life (PDF, 761kb)

People (PDF, 872kb)

Back Matter  About the National Science Foundation, Back Cover (PDF, 77kb)

Entire PDF Document (PDF 5.1mb)