Download or read book A Field Guide to Western Butterflies written by Paul A. Opler and published by Houghton Mifflin Harcourt. This book was released on 1998 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: This all-new edition includes information on more than 590 species, illustrated in lifelike positions in 44 beautiful color plates. 110 color photos. Line drawings & maps.