SIGNED by author to previous owner on bookplate on title page also has previous owner's embossed stamp to top title page, rest of inside very clean and unmarked etc. Some smudges to front cover from another book rubbing against it on book shelf. A comprehensive birdwatcher's guide to the U.S. and Canada includes thumbnail sketches and listings for Audubon Society locations and birding hot lines. Publisher: William Morrow & Co, 1990.