1957. Revised Edition. 97 pages. Pictorial dust jacket over purple cloth boards with lettering. Contains black and white illustrations. Clean pages and illustrations with light tanning and mild foxing throughout. Moderate tanning to free endpapers due to dust jacket flaps. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Lettering is bright and clear. Unclipped jacket. Panels and spine have light edgewear with tears and creases. Minor loss to spine and edges. Visible wear marks to spine and panels.