Lafferty, Peter,  <br/><br/>
Light and sound 

 - 64 pages :   colour illustrations ;   26 cm 
 - Let's investigate science .
 - Let's investigate science .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light ; Sound
<br/><br/><label>Dewey Class. No.: </label>535