James, A. <br/><br/>
Simple Science Experiments/ 

 - Huddersfield  Schofield & Sims Ltd  1971 
 - 155p.  ills. 
<br/><br/><label>ISBN: </label>0721735215 
<br/><br/><label>LC Class. No.: </label>Q182.5  / .J23 1971