At the park, or on a walk, keep this tabbed booklet close at hand. Based on Jaret C. Daniels' best-selling butterfly field guides and featuring only Midwest species, Butterflies of the Midwest is organized is organized by color for quick and easy identification. Narrow your choices by color, and view just a few butterflies at a time. The pocket-sized format is much easier to use than laminated foldouts, and the tear-resistant pages help to make the book durable in the field.