1968. 10th Printing. 115 pages. Illustrated paper cover with lettering. Clean pages with light tanning and mild foxing throughout. Pen inscription to first page textblock. Pen annotations and marginalia to a few pages. Binding remains firm. Paper covers have moderate edge-wear with slight rubbing to surfaces and curling to corners. Lettering is bright and clear. Reading creases to covers. Visible wear marks to covers.