Robinson, Patrick,  1939-, <br/><br/>
H.M.S. Unseen / 
Patrick Robinson. 
 - 501 pages ;  18 cm. 
<br/><br/><label>ISBN: </label>9780099269052  hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Submarines (Ships)--United States--Fiction.<br/>Submarine chasers--Fiction.