Childers, Erskine,  1870-1922. <br/><br/>
The riddle of the sands. 

 - London :  Penguin,  1978 
 - 326 p. ;  19 cm. 
 - Essential Penguin. .
<br/><br/><label>ISBN: </label>014028561X 
<br/><br/><label>Nat. Bib. No.: </label>GB99-Y2537