VGC.Oxford University Press,1962.Reprinted edition.Blue hardback with protected Dj cover(some nicks and creases on the Dj cover/protected cover),both in VGC.Illustrated with 250 b/w photos 70 drawings,diagrams.Illustrations by the Author.Nice and clean pages with two marks and light shelf wear on the outer edges,some marks inside the first and last blank pages of the book,small nicks and creases on the edges of the pages,previous owner's small inscription and date written on the edge of the front endpaper.The book is in VGC for its age with light shelf wear.492pp including List of plates,list of diagrams,appendices I to III, glossary of nautical terms used in this book,index.Price clipped.Heavy book(approx 1.4 Kg).