1945. First Edition. 192 pages. This is an ex-Library book. Pictorial dust jacket over pictorial cloth covered boards. Black and white diagrams throughout. Ex library copy with associated labels, inserts, stamps and annotations. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Boards have mild shelf wear with light rubbing and corner bumping. Some moderate marking and tanning. Unclipped jacket has light edge wear with minor tears, chipping and creasing. Some tanning and foxing to all surfaces, particularly to spine. Remains of a label on rear.