1963. First Edition. 110 pages. No dust jacket. Green cloth boards with lettering. Textblock is in English and Spanish. Expected library inserts, stamps and inscriptions. 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. Moderate sunning to spine and edges with crushing to spine ends. Minor wear marks to boards.