1956. Sixth Printing. 128 pages. 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 shelf-wear with corner bumping. Mild sunning to spine and to board edges. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Moderate water staining to surfaces. Heavy tanning to spine and edges. Light rubbing and marking all over.