VGC.A & C Black,1975.First edition.Blue hardback(silver lettering to the spine,light shelf wear on the edges of the cover) with Dj(small tear,some nicks,creases and scratch on the edges of the Dj cover),both in VGC.Illustrated with over 40 b/w photographs,maps and with over 100 specially drawn diagrams,drawings.Nice and clean pages with small foxing marks on the outer edges,small crease and nick on the edge of the pages,bookshop sticker inside the front cover,light shelf wear on the Dj cover.The book is in VGC for its age.288pp including List of diagrams,list of illustrations,list of photographs,index.Price un-clipped.A collectable first edition.