Christie, Agatha. <br/><br/>
The big four / 
by Agatha Christie 
 - 1st ed. 
 - London :  Harper Collins Publishers,  2002. 
 - 272 p.  18 cm. 
<br/><br/><label>ISBN: </label>9780007282623 (pbk.) 
<br/><br/><label>Subjects--Index Terms: </label>Private investigators	 England--London	 Poirot, Hercule  
<br/><br/><label>Dewey Class. No.: </label>823.912	  / CHR