Saunders Susan <br/><br/>
Morgan Swift and the lake of diamonds /  
by Susan Saunders. 
 - New York :  Random House,  c1986. 
 - 118 p. ;  18 cm. 
<br/><br/>  A quiet boat trip on an Amazon tributary to do plant research turns into a dangerous encounter with thieves and superstitious Indians for Morgan and twins Jan and Jill. 
<br/><br/><label>ISBN: </label>0590760033 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery and detective stories
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Amazon River Valley--Fiction
<br/><br/><label>LC Class. No.: </label>PZ7.S2577