25 solve-the-riddle science mini books /  by Kathleen W. Kranking.   

 - New York :   Scholastic Professional Book,   c2002.  
 - 63p. : ill.  
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>CIR 507 K862 2002