|
A Field Guide to Western Butterflies
|
Paul A. Opler
|
|
|
The Very Hungry Caterpillar
|
Eric Carle
|
|
|
A Field Guide to Eastern Butterflies
|
Paul A. Opler
|
|
|
The Audubon Society Handbook for Butterfly Watchers
|
Robert Michael Pyle
|
|
|
Butterflies of New Jersey
|
Michael Gochfeld, Joanna Burger
|
|
|
Butterflies Through Binoculars
|
Jeffrey Glassberg
|
|
|
The Butterflies of North America
|
James A. Scott
|
|
|
Butterflies Through Binoculars
|
Jeffrey Glassberg
|
|
|
Handbook for Butterfly Watchers
|
Robert Michael Pyle, Roger Tory Peterson Institute
|
|
|
The Butterflies of the Eastern United States and Canada
|
Samuel Hubbard Scudder
|
|