1956. Twenty-Third Impression. 491 pages. Dust jacket over red cloth. Bright and clean pages with light tanning to text block edges. Binding is firm throughout with minor thumb-marking. Previous owner's inscription to front pastedown and endpaper. Boards have light edge wear with minor corner bumping. Mild crushing to spine, with occasional markings overall. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Tape stains to edges. Mild water staining to spine. Heavy tanning to spine. Notable rubbing and marking all over.