Published by John Murray, London, 1969
Seller: Harbor Books LLC, Old Saybrook, CT, U.S.A.
Soft cover. Condition: Very Good. Special issue of the Journal of the Institute of Navigation with forward by HRH the Duke of Edinburgh. 150pp. Celebrating the 21st year of publication of the journal and the changes that have taken place in navigation. One slightly bumped corner and top of spine, covers rubbed but very good.