1970. No Edition Remarks. Unpaginated. Illustrated paper cover with lettering. Contains black and white illustrations. Textblock is in Spanish. Clean pages and illustrations with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Binding remains firm. Paper covers have mild edge-wear with slight rubbing to surfaces and curling to corners. Lettering is bright and clear. Minor tanning to spine and covers. Visible wear marks to covers.