"Keene, Caralyn." <br/><br/>
Mystery of the 99 steps. 

 - London  Armada.  1992 
 - 158 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's literature.
<br/><br/><label>Dewey Class. No.: </label>J Kee 2