Your Quick Guide to Identifying Butterflies in the Northeast At the park, in the garden, or on a walk, keep this tabbed booklet close at hand. Based on Jaret C. Daniels' best-selling butterfly field guides, Butterflies of the Northeast features only species seen in Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, and Vermont. It is organized by color for quick...