Desautels, Paul E. <br/><br/>
The gem kingdom / 
by Paul E. Desautels ; illustrated by Lee Boltin 
 - New York :  Ridge Press Book,  c1971 
 - 252 p. :  ill. (some col.) ;  28 cm. 
<br/><br/> "A Ridge Press book."  Includes index 
<br/><br/><label>ISBN: </label> USD 8.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precious stones
<br/><br/><label>Dewey Class. No.: </label>549