1954. Second edition. 222 pages. No dust jacket. Blue cloth covered boards with gilt. Black and white photographs and diagrams, including fold-out plan for a boat. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Minor pencil inscription to front free endpaper. Boards have moderate shelf wear with mild bumping and fraying to corners and crushing and fraying to spine ends. All surfaces tanned and sunned, particularly spine. Gilt lettering to spine is strongly dulled.