Vecchione, Glen. <br/><br/>
Challenging math puzzles / 
by Glen Vecchione and illustrated by Nina Zottoli. 
 - New Delhi :  Goodwill Publishing House,  [n.d.]. 
 - 96 p. :  ills. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations.
<br/><br/><label>LC Class. No.: </label>QA 95  / V42