Evolution: What the Fossils Say and Why It Matters
by Donald R. Prothero
Columbia University Press; Published: 2007-10-11; Hardcover; Book
Best price: $23.60
Price in other shops: $29.50

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The Little Ice Age: How Climate Made History, 1300-1850
by Brian M. Fagan
Basic Books; Published: 2001-12; Paperback; Book
Best price: $8.00
Price in other shops: $16.95

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National Geographic Dinosaurs
by Paul Barrett
National Geographic Children's Books; Published: 2001-10-01; Hardcover; Book
Best price: $15.00
Price in other shops: $29.95

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National Audubon Society Field Guide to North American Rocks and Minerals (National Audubon Society Field Guides)
by NATIONAL AUDUBON SOCIETY
Knopf; Published: 1979-05-12; Paperback; Book
Best price: $9.99
Price in other shops: $19.95

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Nontechnical Guide to Petroleum Geology, Exploration, Drilling and Production (2nd Edition)
by Norman J. Hyne, Norman J. Ph.d Hyne
Pennwell Books; Published: 2001-12-15; Hardcover; Book
Best price: $47.81
Price in other shops: $69.00

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Dry Storeroom No. 1: The Secret Life of the Natural History Museum
by Richard Fortey
Knopf; Published: 2008-08-19; Hardcover; Book
Best price: $14.00
Price in other shops: $27.50

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Cadillac Desert: The American West and Its Disappearing Water, Revised Edition
by Marc Reisner
Penguin (Non-Classics); Published: 1993-01-01; Paperback; Book
Best price: $8.72
Price in other shops: $18.00

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Let it Rot!: The Gardener's Guide to Composting (Third Edition) (Storey's Down-to-Earth Guides)
by Stu Campbell
Storey Publishing, LLC; Published: 1998-01-03; Paperback; Book
Best price: $4.96
Price in other shops: $12.95

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Planet Earth: As You've Never Seen It Before
by Alastair Fothergill
University of California Press; Published: 2007-03-25; Hardcover; Book
Best price: $25.23
Price in other shops: $39.95

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Salt: A World History
by Mark Kurlansky
Penguin (Non-Classics); Published: 2003-01-28; Paperback; Book
Best price: $6.88
Price in other shops: $16.00