Undated. xiv, 358pp, numerous black and white photographic plates and in-text illustrations, large fold-out map. Black cloth-covered boards, bevelled edges; gilt illustration on front, gilt titles on front and spine; fore and bottom text block edges untrimmed. 8vo. Rubbed corners and spine ends with cloth wearing. Text block edges tanning. Free endpapers starting to tan, pages starting to age; gutters cracked and strained, volume quite loose. Map has 4cm closed tear at gutter. Otherwise internally neat and clean.