Bump!thump! : how do we jump /  written by Janice Lobb ;  
illustrated by Peter Utton and Ann Savage.   
 - London :  Kingfisher,  c2000.   
 - 32 p. : col. ill.   
 -  At home with science   .
<br/><br/> Includes glossary and index <br/> 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>CIR 612 L782 2000