RIDDICK(Dave) Compiler <br/><br/>
Chemistry Su Doku - the highly addictive puzzle phenomena with a scientific twist. Volume 1 

 - Cambridge  Royal Society of Chemistry  2005 
 - Pbk.122 p. 
<br/><br/><label>ISBN: </label>9780854046935 
<br/><br/><label>Source: </label>8489/8499