GC plus.Collins,1962.First UK edition-first impression.Green hardback with laminated Dj(a couple of marks on the outer and inner edges of the Dj cover,small nicks,crease and ink marks on the edges of the Dj cover),both in GC plus. Illustrated with colour,b/w photos,maps.Nice and clean pages with a mark,small ink marks and light shelf wear on the outer edges,some marks inside the edges of the first and last blank pages of the book,previous owner's name and date written inside the first blank page of the book.The book is in GC for its age with light shelf wear.160pp including Foreword by Sir Julian Huxley,list of photos and maps,index.Price un-clipped.A collectable first edition.Heavy book.