1961. Fifth Edition. 400 pages. Illustrated dust jacket over blue cloth boards. Gilt lettering. Clean pages with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Pen inscription to front free endpaper. Bookseller sticker stuck to front pastedown. Pen and pencil annotations and marginalia to pages throughout. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is darkened. Minor wear marks to boards. Unclipped jacket. Panels and spine have light edgewear with tears and creases. Minor wear marks to spine and panels.