Dixon Sarah <br/><br/>
Codename Quicksilver /  
Sarah Dixon ; illustrated by Ann Johns ; designed by Stephen Wright and David Gillingwater ; edited by Martin Oliver. 
 - London :   Usborne,   1991. 
 - 48p. :   col.ill. ;   21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Puzzles
<br/><br/><label>LC Class. No.: </label>JUV 00171 
<br/><br/><label>Dewey Class. No.: </label>793.73