1930. 6th Edition. 113 pages. No dust jacket. Grey cloth. Black and white illustrated frontispiece. Slight cracking to hinges, with exposed netting, pages remain attached. Pages have light tanning and foxing throughout. Heavier to endpapers and pastedowns. Pencil inscription to front free endpaper. Boards have light shelf-wear with corner bumping. Light tanning to spine and edges with crushing to spine ends.