1962. Fourteenth Revised Edition. 331 pages. Illustrated dust jacket over brown cloth boards with lettering. Clean pages with light tanning and mild foxing throughout. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Lettering is bright and clear. Book has a slight forward lean. Unclipped jacket. Panels and spine have light edgewear with tears and creases. Visible wear marks to spine and panels.