Wells, D. G. <br/><br/>
The Guinness book of brain-teasers / 
David Wells. 
 - [Enfield] :  Guinness,  c1993. 
 - 128p. :  ill. ;  24cm. 
<br/><br/><label>Subjects--Index Terms: </label>Puzzles 
<br/><br/><label>LC Class. No.: </label>GV 1493  / .W45 1993 
<br/><br/><label>Dewey Class. No.: </label>793.74