New York: Columbia University Press, 1982. Reprint. Hardcover. 717pp. Octavo [25 cm] Green cloth covered boards with gilt stamped titles on the spines. Very good. The edges of the spine and covers are gently bumped and rubbed. The top edges of the text block are mildly soiled. There are a couple of very tiny stains on the fore edge of the text block of volume 2. There is also a thin 2 inch long mark on the front board of this volume as well. The endsheets are subtly yellowed. A large portion of the rear pastedown of volume 2 is lightly discolored and stained. There is a former owner's blind stamp on the front free endsheet of volume 1 and on the half title page of volume 2. The dust jackets are in very good condition. Mildly rubbed and very lightly soiled. The spine and areas of the panels are age-toned. The edges are bumped, and have several small chips and short closed tears. There are faint scratches and pen indentations in the surfaces. Tiny piece of paper adhered to the front panel of volume 1. There is a small, light moisture stain on the paper at the foot of the spine of volume 2. Item #30136
May require extra postage due to weight. From the dust jacket- "In these two volumes, one of the world's leading ornithologist's studies the biology of birds from an ecological point of view."