1961. First Edition Thus. 63 pages. Blue dust jacket over blue cloth. Clean pages with faint tanning and foxing throughout. Tightly bound with faint thumb-marking throughout. Boards have light shelf-wear with corner bumping. Mild tanning to spine and board edges. Mild warping to boards. Unclipped jacket has light edgewear with tears and creasing. Heavy tanning to spine and to panel edges. Notable foxing to surfaces.