Challand, Helen J. <br/><br/>
Science Activities from A to Z /  
By Helen J.  Challand  and Elizabeth R. Brandt; Illustrated by Herb Ruud; The Science Center, National College of Education. 
 - Chicago :  Children's Press, Inc.,   [1963]. 
 - 223 p. :  col. ill.,   27 cm. 
 - Children's Books Are Important .
<br/><br/>Index, p. 218-221 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Science --Experiments