Pertwee, Roland. <br/><br/>
Rough water / 
Roland Pertwee and illustrated by Margery Gill 
 - Oxford University Press,  1951 
 - 222 p. :  ill. ;  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Private inestigators
<br/><br/><label>Dewey Class. No.: </label>823.91  / PER 1951 J