1926. Twenty-first Edition. 302 pages. No dust jacket. Blue cloth boards with gilt lettering. Clean pages with noticeable tanning and foxing throughout. More pronounced to free endpapers and pastedowns. Pencil markings to front free endpaper. 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. Minor splits to spine ends and corners causing cloth to be frayed. Visible wear and white marks to boards.