1st edition. viii, 232pp. Illustrated with photographs, charts, diagrams etc in text. In green cloth-covered boards with black titles front and spine. 12mo. Rubbed and rounded at corners and spine ends, cloth marked and stained around corners, minor loss at spine head. Text block edges darkened. Two previous owner's names and school library stamp on front free endpaper. Cover stains slightly bled through to front endpapers. Front hinge stretched.
