This edition. 478 pages. No dust jacket. Blue cloth covered boards with gilt. Black and white diagrams throughout. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding slightly loose. Boards have moderate shelf wear with mild bumping and fraying to corners and crushing and fraying to spine ends. All surfaces heavily tanned, particularly spine. Gilt lettering to spine is dulled but remains brighter on front. Some additional marks and staining.