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Archaeologist Johan Reinhard recounts his groundbreaking work in the Andes.
Was: $26.00
Now: $20.50
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Learn how to help prevent global warming and to survive on an overheated planet.
Was: $14.95
Now: $11.95
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National Geographic and Dr. Phillip Manning present the most astonishing dinosaur fossil excavations of the past 100 years.
Was: $28.00
Now: $22.00
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