1959. Second and Revised Edition. 215 pages. Green dust jacket over green cloth. Bright and clean pages with light tanning to text block edges. Binding is firm throughout with minor thumb-marking. Boards have light edge wear with minor corner bumping. Mild crushing to spine, with occasional markings overall. Mild sunning to spine. Books has a backward lean. Boards are mildly warped. Unclipped jacket has light edgewear with tears and creasing. Mild foxing. Moderate tanning to spine. Light rubbing and marking all over. Sticker to rear panel.