1947. Tenth Edition. 455 pages. No dust jacket. Blue cloth boards with gilt lettering. Clean pages with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Pen markings to front pastedown. Pencil annotations and marginalia to a few pages. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Gilt lettering is darkened. Moderate sunning to spine and edges with crushing to spine ends. Moderate splits to spine ends, edges and corners causing cloth to be frayed. Visible wear marks to boards.