 National Audubon Society Field Guide to North American Insects and Spiders (National Audubon Society Field Guides) Author: NATIONAL AUDUBON SOCIETY Manufacturer: Knopf ListPrice: $19.95 Offer: $15.64
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 Insects: Revised and Updated (A Golden Guide from St. Martin's Press) Author: Herbert S. Zim Manufacturer: Golden Guides from St. Martin's Press ListPrice: $6.95 Offer: $6.95
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 Caterpillars of Eastern North America: A Guide to Identification and Natural History (Princeton Field Guides) Author: David L. Wagner Manufacturer: Princeton University Press ListPrice: $29.95 Offer: $19.77
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 Peterson Field Guide to Mammals of North America: Fourth Edition (Peterson Field Guides (R)) Author: Fiona Reid Manufacturer: Houghton Mifflin ListPrice: $20.00 Offer: $13.60
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 A Field Guide to Freshwater Fishes : North America North of Mexico (Peterson Field Guides) Author: Brooks M. Burr Manufacturer: Houghton Mifflin ListPrice: $19.00 Offer: $12.92
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 A Guide to Common Freshwater Invertebrates of North America Author: J. Reese Voshell Jr. Manufacturer: McDonald and Woodward Publishing Company ListPrice: $34.95 Offer: $23.07
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 Pond & River (DK Eyewitness Books) Author: Steve Parker Manufacturer: DK CHILDREN ListPrice: $15.99 Offer: $10.87
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 Peterson First Guide to Insects of North America (Peterson First Guides (R)) Author: Christopher Leahy Manufacturer: Houghton Mifflin ListPrice: $5.95 Offer: $5.95
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 National Geographic Field Guide To The Birds Of North America, 4th Edition Author: National Geographic Society Manufacturer: National Geographic ListPrice: $21.95
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 A World in a Drop of Water: Exploring with a Microscope Author: Alvin Silverstein Manufacturer: Dover Publications ListPrice: $4.95 Offer: $4.95
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 Pond Life: Revised and Updated (A Golden Guide from St. Martin's Press) Author: George K. Reid Manufacturer: Golden Guides from St. Martin's Press ListPrice: $6.95 Offer: $6.95
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 Pond Author: Donald M. Silver Manufacturer: McGraw-Hill ListPrice: $7.95 Offer: $7.95
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 Caterpillars in the Field and Garden: A Field Guide to the Butterfly Caterpillars of North America (Field Guide) Author: Thomas Allen Manufacturer: Oxford University Press, USA ListPrice: $29.95 Offer: $19.77
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 Stokes Guide to Observing Insect Lives Author: Donald Stokes Manufacturer: Little, Brown and Company ListPrice: $19.99 Offer: $19.99
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 Guide to Aquatic Insects And Crustaceans Author: Kami Watson-ferguson Manufacturer: Stackpole Books ListPrice: $7.95 Offer: $7.95
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 Reptiles and Amphibians: Revised and Updated (A Golden Guide from St. Martin's Press) Author: Herbert S. Zim Manufacturer: Golden Guides from St. Martin's Press ListPrice: $6.95 Offer: $6.95
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 A Field Guide to Eastern Forests: North America (Peterson Field Guides (R)) Manufacturer: Houghton Mifflin ListPrice: $20.00 Offer: $13.60
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 Salamander Rain: A Lake and Pond Journal (Sharing Nature With Children Book) (Sharing Nature With Children Book) Manufacturer: Dawn Pubns ListPrice: $8.95 Offer: $8.95
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 What's in the Pond? (Hidden Life) Author: Anne Hunter Manufacturer: Houghton Mifflin ListPrice: $5.95 Offer: $5.95
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 Water: A Natural History Author: Alice Outwater Manufacturer: Basic Books ListPrice: $16.50 Offer: $11.22
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 The Field Guide to Wildlife Habitats of the Eastern United States Author: Janine M. Benyus Manufacturer: Fireside ListPrice: $22.95 Offer: $18.85
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 Aquatic Entomology: The Fishermen's Guide and Ecologists' Illustrated Guide to Insects and Their Relatives (Crosscurrents) (Crosscurrents) Author: W. Patrick McCafferty Manufacturer: Jones and Bartlett Publishers, Inc. ListPrice: $100.95 Offer: $73.69
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 Pond Life Nature Activity Book: Educational Games & Activities for Kids of All Ages Author: James Kavanagh Manufacturer: Waterford Press ListPrice: $6.95 Offer: $6.95
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 Stokes Guide to Nature in Winter Author: Donald Stokes Manufacturer: Little, Brown and Company ListPrice: $14.95
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 A Naturalist's Guide to Wetland Plants: An Ecology for Eastern North America Author: Donald D. Cox Manufacturer: Syracuse University Press ListPrice: $19.95 Offer: $13.57
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 Mammals of the Great Lakes Region: Revised Edition (Great Lakes Environment) Author: Allen Kurta Manufacturer: University of Michigan Press/Regional ListPrice: $18.95 Offer: $14.78
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 How to Know the Protozoa (Pictured Key Nature Series) Author: Theodore L Jahn Manufacturer: McGraw-Hill Science/Engineering/Math Offer: $54.06
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 The Biology of Lakes and Ponds (Biology of Habitats) Author: Christer Bronmark Manufacturer: Oxford University Press, USA ListPrice: $44.50
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 Watersheds: A Practical Handbook for Healthy Water Author: Gregor Gilpin Beck Manufacturer: Firefly Books ListPrice: $19.95 Offer: $14.96
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 Clean Water: An Introduction to Water Quality and Pollution Control Author: Kenneth M. Vigil Manufacturer: Oregon State University Press ListPrice: $19.95 Offer: $17.95
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 Vernal Pools: Natural History and Conservation Author: Elizabeth A., Ph.D. Colburn Manufacturer: McDonald and Woodward Publishing Company ListPrice: $34.95 Offer: $26.56
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 The Biology of Lakes and Ponds (Biology of Habitats) Author: Christer Bronmark Manufacturer: Oxford University Press, USA ListPrice: $59.95 Offer: $59.95
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 Pond Life, 2nd: An Introduction to Familiar Plants and Animals Living In or Near Ponds, Lakes and Wetlands Author: James Kavanagh Manufacturer: Waterford Press ListPrice: $5.95 Offer: $5.95
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 The Biology of Freshwater Wetlands (Biology of Habitats) Author: Arnold G. van der Valk Manufacturer: Oxford University Press, USA ListPrice: $55.00 Offer: $55.00
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 Discover Nature in Winter: Things to Know and Things to Do (Discover Nature , No 6) Author: Elizabeth P. Lawlor Manufacturer: Stackpole Books ListPrice: $14.95 Offer: $13.45
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 Amphibians and Reptiles of the Great Lakes Region (Great Lakes Environment) Author: James H. Harding Manufacturer: University of Michigan Press/Regional ListPrice: $21.95 Offer: $17.12
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 Discover Nature in Water & Wetlands: Things to Know and Things to Do (Discover Nature Series) Author: Elizabeth P. Lawlor Manufacturer: Stackpole Books ListPrice: $17.95 Offer: $17.95
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 Milkweed, Monarchs and More: A Field Guide to the Invertebrate Community in the Milkweed Patch Author: Ba Rea Manufacturer: Bas Relief Publishing Group ListPrice: $9.00
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Guide to the Study of Freshwater Biology Author: J.G. Needham Manufacturer: McGraw-Hill Science/Engineering/Math Offer: $56.56
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Biology & Ecology of Fishes, Second Edition Author: James S. Diana Manufacturer: Cooper Publishing Group ListPrice: $80.00 Offer: $80.00
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