London: Renwick of Otley, 1931. First edition, 8vo., pp.(vi),182, textured blue cloth, gilt, b/w plates and figures, large folding map to rear of volume; b/w sellotape repair stain to inner margin between prelims, mostly erased (but still visible) scribbles to rear endpapers, paper repair to reverse of map, foxing to endpapers, a few marks to front board, rubbing to extremities, otherwise very good.