Book of riddles and I. Q. boosters /  
compiled & edited by Sonny A. Mendoza.   
 - Quezon City :  S. A. Mendoza Publishing,  c1998. 
 - 2v 
<br/><br/><label>ISBN: </label>971-599-162-2 bk.1 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>FIL 398.6 M524 1998