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48 pp.
| Heinemann |
September, 2007 |
LibraryISBN 978-1-432-90110-3$31.43
(4)
4-6Earth's Final Frontiers series.
This book describes early cave exploration and discoveries as well as the history of caves as storehouses of valuable oil and minerals. Present-day exploration, cave-dwelling creatures, and conservation measures round out the volume. Informative tables, graphs, and illustrations and crisp photographs support the text (though the pages are quite crowded). "In their own words" sidebars provide quotes from scientists and explorers. Reading list, websites. Glos., ind.