Williams, Andrew <br/><br/>
The poison tide/ 
by Andrew Williams 
 - London  John Murray  c2012 
 - 472p. 
<br/><br/><label>ISBN: </label>9781848545816 
<br/><br/><label>Subjects--Topical Terms: </label><br/>World War (1914-1918)<br/>Secret service
<br/><br/><label>Dewey Class. No.: </label>823.92