John Wyndham. <br/><br/>
The Chrysalids / 
John Wyndham. 
 - 2. ed. 
 - England :  Pearson Education Limited,  2001. 
 - 58 p. ;  20 cm. 
 - (Penguin Readers (Graded Readers ;  Level 3 .
<br/><br/><label>ISBN: </label>9780582419803 
<br/><br/><label>Dewey Class. No.: </label>428.6 WYN/O