Christie, Agatha,  1890-1976. <br/><br/>
The thirteen problems / 
Agatha Christie. 
 - Leicester :  Ulverscroft,  c1932-1968 
 - 357 p. ;  19 cm. 
<br/><br/><label>ISBN: </label>854564756 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English fiction
<br/><br/><label>Dewey Class. No.: </label>823  / CHT 1968