Keene, Carolyn. <br/><br/>
The hidden staircase / 
Carolyn Keene. 
 - New York :  Grosset & Dunlap,  1959. 
 - 182 p. :  ill. ;  19 cm. 
 - Nancy Drew mystery stories .
<br/><br/> Strange things happen when Nancy investigates threats against her father and an old house said to be haunted. 
<br/><br/> 3-6  5.3 
<br/><br/>
<br/><br/><label>ISBN: </label>0448095025 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery and detective stories.
<br/><br/><label>Dewey Class. No.: </label>[Fic]