Butterflies of the East Coast : An Observer's GuideBy Rick Cech, Guy Tudor
Princeton University Press, 2005
This is a work of art, with in depth details on all the butterflies from Maine to Florida. It's a must have for butterfly enthusiasts.
This book is the best butterfly book out there, with 8.5" x 11" pages, good size high quality photos of the butterflies dorsal and ventral, foodplant pictures and some caterpillar pics, taken by Rick. Then there's a full page text on each butterfly, telling a story about each one, then a detailed identification, habitat, hostplants, occurance, and ecology, not to mention range maps of the east coast.