Hamilton, Richard. <br/><br/>
Cal and the amazing anti-gravity machine / 
by Richard Hamilton. 
 - London :  Bloomsbury,  2005. 
 - 126 p. :  ill ;  20 cm. 
<br/><br/><label>ISBN: </label>0747575649 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fiction--7-10.