CHRISTOPER John <br/><br/>
The Tripods trilogy / 
John Christopher. 
 - Harmondsworth :  Puffin Books ,  1984. 
 - 446 p. ; 18 cm. 
<br/><br/> Contains: The white mountains - The city of gold and lead - The pool of fire 
<br/><br/><label>ISBN: </label>9780140317220 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>JUVENILE FICTION