More Than 18 Million Nature Lovers Have Chosen The Audubon Field Guides As Their Go To Nature Reference. With Twenty Different Guides Covering Birds, Wildflowers, Trees, Mammals, Insects, Fish, And Much More, Every Nature Lover Can Find A Comprehensive Guide For Whatever Their Interest. Each Field Guide Has A Durable Vinyl Binding And Features Brilliant Full Color Photographic Identification Pictures Arranged For Quick Access And Definitive Text By Experts In Their Fields.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }