- Hardcover
- Publisher: Natl Geographic Society; 1St Edition edition (June 1975)
- Language: English
- ISBN-10: 0870441841
- ISBN-13: 978-0870441844
- Product Dimensions: 10 x 7.2 x 0.8 inches
- Shipping Weight: 1.6 pounds
- Amazon Best Sellers Rank: #10,411,639 in Books (See Top 100 in Books)
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