Undated. xvii 142pp, various in-text black and white photographs and illustrations. Blue cloth-covered boards, white titles on front and spine. 8vo. Sun-faded boards and spine, lightly rubbed corners and spine ends. Top text block edges just starting to tan. Previous owner's name on front free endpaper. Otherwise internally neat, clean, bright and tight. Dust jacket as areas of loss, foxing, chipping to edges.