1965. Sixth Printing. 91 pages. Illustrated paper cover. Slight crinkling to paper at gutter. Bright and clean pages with light tanning to text block edges. Binding is firm throughout with minor thumb-marking. Pencil annotations and marginalia to pages throughout. Bookseller sticker stuck to reverse front cover. Paper covers have mild edge-wear with slight rubbing to surfaces and curling to corners. Minor sunning to spine and edges.