No Edition Remarks. 152 pages. No dust jacket. Green cloth with black lettering. Colour illustration plates throughout and a black and white diagram. Pages bright and clear with some very mild tanning and foxing, particularly to textblock edges and endpapers. Minor pencil annotations to pastedowns. Binding remains firm. Boards have moderate shelf wear with bumping and fraying to corners and some rubbing to surfaces. Spine sunned and with mild crushing top and bottom.