Gifford, Clive <br/><br/>
Time warp virus 
Clive Gifford ; designed by Russell Punter ; illustrated by Geo Parkin 
 - Tulsa, OK  EDC Publishing 
 - 48p. : ill 
<br/><br/><label>ISBN: </label>9780746023952 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Puzzles
<br/><br/><label>Dewey Class. No.: </label>793.73 GIF