Keene, Carolyn. <br/><br/>
The secret of Mirror Bay / 
by Carolyn Keene. 
 - New York :  Grosset,  1972. 
 - 178 p. :  ill. ;  20 cm. 
 - Nancy Drew mystery stories ;  49 .
<br/><br/> When Nancy Drew and her friends go to a lake in New York to investigate reports of a woman gliding over water, they discover a treasure underwater. 
<br/><br/> 4-9.  4. 
<br/><br/>
<br/><br/><label>ISBN: </label>0448095491 
<br/><br/><label>LCCN: </label>75180995 /AC 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery fiction.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Cooperstown (N.Y.)--Fiction.
<br/><br/><label>LC Class. No.: </label>PZ7.K23  / Nan 
<br/><br/><label>Dewey Class. No.: </label>Fic