Keene, Carolyn <br/><br/>
The mystery of the 99 steps 
Carolyn Keene 
 - New York  Grosset & Dunlap  1994 
 - 176 p 
<br/><br/><label>ISBN: </label>9780448095431 
<br/><br/><label>Dewey Class. No.: </label>823.0872 KEE