Snorkel Diver: First Steps in Underwater Swimming by R. B. Matkin and G. F. Brokes
1961. First Edition. 108 pages. No dust jacket. Blue cloth with silver lettering to spine. Contains black and white illustrations throughout, with a few photographic plates also. Pages are mildly tanned and foxed, but text remains clear. Plates are bright. Binding is firm. Pencil inscription to front free endpaper. Boards and spine have minimal shelf-wear, with mild corner bumping and crushing to ends. Spine and edges are heavily sunned. Silver is bright. Noticeable marks overall. Boards are slightly bowed.