Christie, Agatha,  1890-1976. <br/><br/>
1940s omnibus / 
 Nineteen forties omnibus 
Agatha Christie. 
 -  London :  HarperCollins,  2006. 
 - 694 p. ;  20 cm. 
<br/><br/> N or M? --  Towards zero --  Sparkling cyanide --  Crooked house 
<br/><br/><label>ISBN: </label>9780007208647 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Detective and mystery stories, English.
<br/><br/><label>Dewey Class. No.: </label>823.912  / CHR 2006