1964. 288 pages. Illustrated dust jacket over blue cloth covered boards with gilt. Bird paintings by Roger Troy Peterson. Pages remain clear with minimal tanning and foxing. Text block edge is moderately foxed. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Gilt lettering is bright and clear. Book has a slight forward lean. Cloth has moderate damp and dust stains. Unclipped jacket has moderate edge-wear with chips, tears and creasing. Staining to jacket.