xii, 228pp. Red cloth-covered boards with a white titles on spine; 23 maps and 11 diagrams. Shelf wear and top edge of boards lightly bumped. Spine is sun-faded and spine ends are rubbed and rounded, cloth fraying at spine head. Text block edges tanning. Bookplate on front pastedown. Gutter cracked at stretched at title page; volume quite loose. Internally neat, clean and bright.
