Gilmour, H. B. <br/><br/>
Building a mystery 

 - New York :  Scholastic,  c2001 
 - 217 p.  
 - TWitches ;  2 .
<br/><br/><label>ISBN: </label>0439240719 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery--Fiction