1965. Revised Edition. 127 pages. This is an ex-Library book. Pictorial laminated dust jacket over blue cloth. Expected library inserts, stamps and inscriptions. Black and white illustrations throughout. Binding remains firm. Pages and illustrations have light tanning and foxing throughout. Tape marks to endpapers and pastedowns. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Tape marks to both boards. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Paper worn away to rear flap. Wear marks and foxing overall.