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Peterson First Guide to Shells of North America
Jackie Leatherbury Douglass, John Douglass
Library Binding (Paw Prints, Aug. 11, 2008)first guide to shells of North america
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Peterson First Guide to Shells of North Amer
Jackie Leatherbury Douglass, John Douglass
Paperback (Houghton Mifflin (P), March 15, 1989)12mo, 1989, PP.128,
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Peterson First Guide to Shells of North America
Jackie Leatherbury Douglass
Paperback (Demco Media, March 1, 1989)Describes and illustrates shells found in North America, including gastropods, chitons, and bivalves