The Penguin spelling dictionary. 

 - 2nd. edition. 
 - 574 pages ;  20 cm. 
<br/><br/><label>ISBN: </label>0140514252 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Orthography and spelling--Dictionaries
<br/><br/><label>LC Class. No.: </label>PE1146  / P46 1999