Good condition.Macmillan,1968.First UK edition-first impression.Blue hardback(gilt lettering to the spine) with protected Dj(some ink marks,creases and nicks on the Dj cover),both in GC.Illustrated with b/w photos,drawings.Ex-Library book with stamps,sticker and writing.Clean pages with ink marks and slightly tainted on the outer edges,some creases,ink marks and nicks on the edges of the pages,missing the first blank page of the book,mark on the edge of the half-title page.The book is in GC with some shelf wear.245pp including References,glossary of technical terms,selected bibliography,index.Price un-clipped.A collectable first edition.