1950. 26th Impression 13th Edition. 300 pages. No dust jacket. Blue cloth boards with lettering. Textblock is in English and Latin. Clean pages with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Pen inscription to front free endpaper. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Lettering is darkened. Moderate sunning to spine and edges with crushing to spine ends. Visible wear marks to boards.