186pp. Blue cloth-covered boards, black titles on spine; top text block edge sprayed blue. 12mo. Soiled and sun-faded spine and covers. Lightly bumped spine ends. Lightly bumped and rounded corners. Slightly bowed boards; slightly cocked. Dusty top text block edge, remaining edges starting to tan; small black spots (appears to be ink) on fore edge. Endpapers starting to tan. Previous owner's name on front free endpaper, marked out. Coloured pencil markings to half and title pages; soiling on contents page. Otherwise internally neat, clean and bright. Black and white in-text illustrations throughout (two coloured in).