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Best Seller
The Knowledge Book by National Geographic

The Knowledge Book

  • Paperback $24.95

    Sep 15, 2009 | 400 Pages

  • Hardcover $35.00

    Oct 16, 2007 | 512 Pages

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“…in its exuberance, design and coverage, more like a well-designed website than a traditional reference…feels remarkably complete.”—Kirkus

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