Samarasinghe, A. Sam, 1948- <br/><br/>
Tricky puzzles 
A. Sam Samarasinghe 
 - Petaling Jaya  Eastview Productions  1991 
 - 113 p. : ill. ; 21 cm. 
<br/><br/> First published 1990 by Pan Pacific Publications 
<br/><br/><label>ISBN: </label>967600247X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations--Juvenile literature<br/>Mathematical recreations