21st century seamanship / 
Witherby Seamanship International 
 - United Kingdom:  Witherby Publishing Group Ltd,  c2015. 
 - 1310 pages :  ill., col. ;   24 cm. 
<br/><br/><label>ISBN: </label>9781856096324 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seamanship.
<br/><br/><label>LC Class. No.: </label>CIR TP 761  / W58 2015