1929. Thirty-first Edition. 302 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. Top textblock edge dyed gilt. Binding remains firm. Boards have heavy edge-wear with bumping to corners, crushing to spine ends and rub wear all over. Gilt lettering is darkened. Moderate sunning to spine and edges with crushing to spine ends. Book has a slight forward lean. Visible wear marks to boards.