Wymer, Norman. <br/><br/>
The citadel / 
A.J. Cronin ; retold by Norman Wymer. 
 - [New ed.]. 
 - Harlow :  Pearson Education,  2008. 
 - vii, 131 p. ;  20 cm. +  4 sound discs (4 3/4 in.). 
 - Penguin readers. Level 5 .
 - Penguin readers.  Level 5. .
<br/><br/> Previous ed.: 1999. Originally published: Longman Simplified English Series, 1963.  Includes 4 sound discs. 
<br/><br/><label>ISBN: </label>9781405879859 1405879858 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers.<br/>Physicians--Wales--Fiction.<br/>Medical care--Wales--Fiction.<br/>Medical care--Corrupt practices--Fiction.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Wales--Social life and customs--20th century--Fiction.