Sixth Edition. 208 pages. No dust jacket. Blue cloth covered boards with gilt. Pages have mild tanning and foxing throughout, moderate at end-papers, paste-downs and text-block edges. First few pages, up to and including the title page, are partially detached. Cracking at contents page with exposed netting. Otherwise, binding remains reasonably firm. Boards have heavy edge-wear with bumping to corners, crushing to spine ends and rub wear all over. Cloth has minor damp and dust stains. Mild crushing to spine ends. Book has a slight forward lean. Gilt lettering is darkened.