1961. First Edition. 272 pages. No dust jacket. Orange cloth boards with lettering. Textblock is in English and Spanish. Contains black and white illustrations. Clean pages and illustrations with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Pencil markings to back free endpaper. Pencil annotations and marginalia to a few pages. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Lettering is bright and clear. Moderate sunning to spine and edges with crushing to spine ends. Visible wear marks to boards.