1964. Seventh Edition. 192 pages. Pictorial dust jacket over grey cloth. Black and white and colour illustrated plates. Light tanning to pages, plates, pastedowns and free endpapers. Binding is slightly loose but pages remain attached. Boards have minor corner bumping and edgewear.Spine has soft crushing to ends. Clipped dust jacket with minor rubbing, chipping and tearing to edges. Moderate tanning and scuffing overall.