The Triumph of Invention by Trevor I. Williams
1987. First Edition. 352 pages. Pictorial dust jacket over black cloth. Contains colour in-text illustrations. Pages remain bright and clear with minimal tanning and foxing. Occasional thumb-marking present. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Unclipped jacket has moderate edge wear with chips, tears and creasing. Light rubbed marking overall.