Selsam, Millicent <br/><br/>
Up, down and around : the force of gravity / 
by Millicent Selsam ; illustratrated by Kenneth Dewey 
 - New York :  Doubleday & Co.,  1977 
 - 47 p. :  ill. ;  24 cm. 
<br/><br/> Explains the effects of gravity on human beings, satellites, the sun, moon, and planets. 
<br/><br/><label>ISBN: </label>0385098634 
<br/><br/><label>LCCN: </label>76-023796 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gravitation--Juvenile literature<br/>Gravity