Maxwell,Gavin.  x <br/><br/>
Ring of bright water.  x 

 - x 
 - Lond,  Longmans ,  1960 
 - x,211p. 
<br/><br/>
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology, Zoology, 
<br/><br/><label>Dewey Class. No.: </label>591.092/MAR