1964. Twenty-fourth Impression. 432 pages. Pictorial dust jacket over green cloth with gilt lettering. Black and white illustrations throughout. Minor tanning to otherwise clear pages. More prominent to text block edges, not particularly visible to pastedowns and free endpapers. Binding remains firm. Boards have minor corner bumping and edgewear with mild scuffing overall. Spine has light sunning with soft crushing to ends. Lettering remains bright and clear. Book has a slight forward lean. Unclipped dust jacket with minor rubbing, chipping and tearing to edges. Moderate tanning and scuffing overall.