1966. Eleventh Printing. 114 pages. This is an ex-Library book. Illustrated dust jacket over blue cloth boards with lettering. Contains black and white illustrations. Expected library inserts, stamps and inscriptions. Clean pages and illustrations with light tanning and mild foxing throughout. Front free endpaper is missing. Tightly bound with faint thumb marking throughout. 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. Moderate sunning to spine and panels. Visible wear marks to spine and panels.