Vicary, Tim,  1949- <br/><br/>
Chemical secret / 
Tim Vicary. 
 - 60 pages :  illustrations ;  20 cm. 
 - Oxford bookworms. Stage 3 .
 - Oxford bookworms. Stage 3. .
<br/><br/><label>ISBN: </label>0194226808 9780194226806 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers.
<br/><br/><label>LC Class. No.: </label>PZ2.4.V53  / C46 1991 
<br/><br/><label>Dewey Class. No.: </label>428.64