1968. Third Edition. 371 pages. No dust jacket. Green cloth. Contains black and white illustrations. Water marks throughout. 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. Boards have mild shelf wear with light rubbing and corner bumping. Some light marking and sunning. Boards are slightly bowed.