1951. Sixth Impression. 317 pages. No dust jacket. Red cloth. Black and white illustrated frontispiece. Black and white photographic plates throughout. Light tanning to pages; heavier to text block edges, pastedowns and free endpapers. Minor creasing to gutters and hinges. Binding remains firm. Boards have minor corner bumping and edgewear with mild staining, tanning and scuffing overall. Spine has light tanning with soft crushing to ends.