xii, 420pp, some in-text black and white photographs, numerous in-text illustrations and charts. Brown cloth-covered boards, black titles on front and spine. 8vo. Mottled boards and soiled, rubbed corners and spine ends with cloth torn. Text block edges tanned. Endpapers starting to tan; previous owner's name on front free endpaper; gutters cracked and strained, volume loose. Otherwise internally neat, clean, bright and tight.Â