Wood, Robert W., 1933- <br/><br/>
When? :  experiments for the young scientist / 
Robert W. Wood ; illustrated by Steve Hoeft. 
 - New York :  TAB Books,  c1995. 
 - viii, 133 p. : ill. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Experiments--Juvenile literature<br/>Scientific recreations--Juvenile literature