| 1. 
  |  | Title: A Field Guide to the Birds of Eastern and Central North America by Roger Tory Peterson
 ISBN: 0395740460
 Publisher: Houghton Mifflin
 Pub. Date: 04 April, 2002
 List Price: $22.00
 Amazon.com Price: $15.40
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| 2. 
  |  | Title: A Field Guide to Wildflowers : Northeastern and North-Central North America (Peterson Field Guides) by Margaret McKenny, Roger Tory Peterson
 ISBN: 0395911729
 Publisher: Houghton Mifflin
 Pub. Date: 15 March, 1998
 List Price: $19.00
 Amazon.com Price: $13.30
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| 3. 
  |  | Title: A Field Guide to Trees and Shrubs : Northeastern and north-central United States and southeastern and south-central Canada (The Peterson Field Guide Series) by George A. Petrides, Roger Tory Peterson
 ISBN: 039535370X
 Publisher: Houghton Mifflin
 Pub. Date: 06 September, 1973
 List Price: $19.00
 Amazon.com Price: $13.30
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| 4. 
  |  | Title: A Field Guide to Freshwater Fishes : North America North of Mexico (Peterson Field Guides) by Brooks M. Burr, Lawrence M. Page, Roger Tory Peterson
 ISBN: 0395910919
 Publisher: Houghton Mifflin Co
 Pub. Date: 15 January, 1998
 List Price: $19.00
 Amazon.com Price: $13.30
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| 5. 
  |  | Title: Birding by Ear: Eastern and Central North America (Peterson Field Guides(R)) by Richard K. Walton, Robert W. Lawson, Roger Tory Peterson
 ISBN: 0618225900
 Publisher: Houghton Mifflin
 Pub. Date: 04 April, 2002
 List Price: $30.00
 Amazon.com Price: $20.40
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| 6. 
  |  | Title: Peterson First Guide to Butterflies and Moths (First Guide) by Paul A. Opler, Roger Tory Peterson
 ISBN: 0395906652
 Publisher: Houghton Mifflin Co
 Pub. Date: 20 February, 1998
 List Price: $5.95
 Amazon.com Price: $5.95
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| 7. 
  |  | Title: A Field Guide to Edible Wild Plants : Eastern and central North America (Peterson Field Guides) by Lee Allen Peterson, Roger Tory Peterson
 ISBN: 039592622X
 Publisher: Houghton Mifflin
 Pub. Date: 01 September, 1999
 List Price: $19.00
 Amazon.com Price: $13.30
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| 8. 
  |  | Title: Peterson First Guide to Caterpillars of North America (First Guide) by Amy Bartlett Wright, Roger Tory Peterson
 ISBN: 0395911842
 Publisher: Houghton Mifflin Co
 Pub. Date: 15 May, 1998
 List Price: $5.95
 Amazon.com Price: $5.95
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| 9. 
  |  | Title: A Field Guide to Insects by Richard E. White, Donald J. Borror, Roger Tory Peterson
 ISBN: 0395911702
 Publisher: Houghton Mifflin Co
 Pub. Date: 15 April, 1998
 List Price: $19.00
 Amazon.com Price: $13.30
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| 10. 
  |  | Title: Peterson First Guide to Insects of North America (Peterson First Guide) by Christopher Leahy, Roger Tory Peterson
 ISBN: 0395906644
 Publisher: Houghton Mifflin Co
 Pub. Date: 20 February, 1998
 List Price: $5.95
 Amazon.com Price: $5.95
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