Tenth Edition. 409 pages. No dust jacket. Blue cloth boards with gilt lettering. Minor cracking and crinkling to gutters and pages, with exposed netting. Clean pages with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Pencil and pen markings to front free endpaper. Pages 211-222 are nearly detached. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is bright and clear. Moderate sunning to spine and edges with crushing to spine ends. Minor splits to spine ends and corners causing cloth to be frayed. Visible wear marks to boards.