1964. New Revised Edition. 96 pages. Illustrated dust jacket over blue cloth boards with lettering. Black and white pictorial frontispiece. Clean pages with light tanning and mild foxing throughout. Moderate tanning to free endpapers due to dust jacket flaps. Sticker to front free endpaper. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Lettering is bright and clear. Minor wear marks to boards. Unclipped jacket. Panels and spine have light edgewear with tears and creases. Minor sunning to spine. Visible wear marks to spine and panels.