4th Edition. 96pp, with beautiful black and white illustrations throughout, some folding out. Blue cloth-covered boards with silver titles on the spine. Signed by the author on the front free endpaper. 8vo. Moderately bumped top and bottom spine. Slight foxing to the top text block edge. Internally there is a personal hand written note on the front free endpaper, else clean, neat, tight and bright. Dust jacket has significant shelf wear rubbing to the top and bottom, heavy rubbing to the edges and spine. Some loss to the front of cover. An easy to read 'how to' book for navigators with full instructions on using the the sextant.
Signed Books, navigation, sextant