Percy, Douglas C. <br/><br/>
Hidden Valley :  an African mystery novel / 
Douglas C. Percy. 
 - Grand Rapids, Mich. :  Zondervan,  c1951. 
 - 155 p. ;  20 cm. 
<br/><br/><label>LCCN: </label>cn 93005323 
<br/><br/><label>Nat. Bib. No.: </label>C93-5323-0 
<br/><br/><label>LC Class. No.: </label>PZ4  / .P431Hi 
<br/><br/><label>Dewey Class. No.: </label>C813/.54