1950. Fourth Edition. 286 pages. No dust jacket. Brown illustrated cloth boards with gilt lettering. Contains black and white and colour illustrations and plates. 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.