1963. Fifth Edition. 160 pages. Pictorial dust jacket over paper covered boards. Bright and clean pages with light tanning to text block edges. Binding is firm throughout with minor thumb-marking. Boards have moderate shelf-wear with bumping to corners and notable creasing to boards. Mild tears to joint ends. Book has forward lean. Boards are mildly warped. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Mild foxing. Heavy tanning to spine and edges. Moderate rubbing and marking all over.