1988. Fourth Edition. 133 pages. Signed by the author. Paperback book with pictorial cover. Flat signed by author to title page. Pages and binding are presentable with no major defects. Minor issues present such as mild cracking, inscriptions, inserts, light foxing, tanning and thumb marking. Overall a good condition item. Paper cover has mild edge-wear with light rubbing and creasing. Some light marking and tanning.