Freeman, Ira M <br/><br/>
All about light and radiation 

 - London  W.H. Allen  1966 
 - 143p. : ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHYSICS<br/>LIGHT--JUVENILE LITERATURE<br/>RADIATION--JUVENILE LITERATURE
<br/><br/><label>LC Class. No.: </label>QC 358 Fre