6th Edition. 447 pages. No dust jacket. Blue cloth. Severe cracking to hinges causing boards to be loose. Front free endpaper detached but still present. Pages have light tanning and foxing throughout. Heavier to endpapers and pastedowns. Tears to some pages, text remains unaffected. Boards have moderate shelf-wear with bumping to corners and rubbing to surfaces. Light tanning to spine and edges with crushing to spine ends. Splits to spine ends causing cloth to be frayed. Wear marks overall.