Gates, Phil. <br/><br/>
Bubbles / 
by Phil Gates. 
 - Reprinted. 
 - Cambridge :  Cambridge University,  1997. 
 - 24 p. :  ill., col ;  25 cm. 
 - Cambridge Reading Becoming a Reader C .
 - Cambridge Reading Becoming a Reader C .
<br/><br/><label>ISBN: </label>052149933X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air.<br/>Airships.<br/>Balloons.