Peterson Field Guide - Western Butterflies place names to Switzerland and Austria to

to Switzerland and Austria to the south

Few mountain ranges anywhere have been as swarmed over

and built upon as have the San Bernardinos

High Sierra SUV Trails

This collection of eye-catching photographs takes you on a guided visual tour through the Palm Springs and Palm Desert areas

Peterson Field Guide - Western Butterflies place names to Switzerland and Austria toPaul Opler is the author of several books, including the Peterson Field Guide to Eastern Butterflies. He is a professor and senior research scientist at Colorado State University and a vice president of the North American Butterfly Association. Amy Bartlett Wright wrote and illustrated the Peterson First Guide to Caterpillars and illustrated the Peterson First Guide to Butterflies and Moths.