VGC. Collins, 1959. First edition-sixth impression. Green hardback (gilt lettering to the spine, small nicks on the edges of the cover) with protected Dj (two small tears, chips and nicks on the edges of the Dj cover), both in VGC. Illustrated with many colour, b/w photos. Illustrations by R. A. Richardson. Nice and clean pages with a couple of small marks and creases on the edges of the pages, small foxing marks inside the front and back endpapers. The book is in VGC for its age with light shelf wear on the Dj cover. 252pp including List of plates, appendices I to IV, index, index to Key. Price un-clipped.