1978. Third Edition. 187 pages. Photographic dust jacket over green cloth. Black and white and colour illustrations throughout. Pages are bright and clear with mild tanning and scuffing to text block edges, pastedowns and free endpapers. Minor creasing to gutters and hinges. Binding remains firm. Boards have minor corner bumping and edgewear with mild staining to upper board edges. Spine has light tanning with minor staining and crushing to ends. Book has a slight forward lean. Unclipped dust jacket with minor rubbing, chipping and tearing to edges. Moderate tanning and scuffing overall.