American Merchant Seaman's Manual, 8th EditionA fully updated and revised edition of a standard Merchant Marine academic and training reference work The Merchant Marine is composed of all the commercial ships of a country and the personnel that man them. The American Merchant Seaman's Manual has been the primary seamanship text and reference book for the American Merchant Marine for more than sixty years. Merchant mariners going to sea for the first time need to know as much about their new job,