1970. First Sphere Books Edition. 474 pages. Pictorial paperback. Pages are moderately tanned and foxed throughout. Cracking to hinges with covers slightly coming away from text-block. Minor dog-eared corners. Binding remains firm. Paper cover has mild edge wear with scuffing to edges and creasing. Small splits to joints. Book has rolled spine. Dark rubbing to surfaces with curling to corners. Moderate tanning to spine and edges.