The Sailor’s Sea-Book. Rudimentary Treatise on Navigation; Directions for Great Circle sailing, Essay on the law of storms and variable winds; and Explanation of the terms used in ship-building by James Greenwood, published by Weale, London 1850. In stiff decorated boards size 18 by 10 cm. 166 pages. A basic textbook for the young sailor and navigator that could be carried in a pocket. With 8 illustrations, plans and maps, two in colour. Dedication in ink, presumably contemporary, above the title on the title page. The pages of publisher’s advertising at the rear have an engraving bound in with the book that shows a later sketch of masts, sails and rigging. New matching cloth spine. VG