Seventh Edition. 138 pages. No dust jacket. Illustrated cloth. Pages are moderately tanned throughout. Noticeable cracking to gutters. Binding is weakened, however text block remains secure. Thumb-marking present to some pages. Boards have noticeable edge wear with corner bumping and rubbing to surfaces. Some fraying to cloth at spine ends. Book has a slight forward lean. Mild tanning to spine and edges with some crushing to ends.