Queen, Ellery <br/><br/>
The Siamese twin mystery 

 - Harmondsworth  Penguin Books  1961 
 - 250 
 - Penguin Books 1598 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>English fiction<br/>English literature<br/>Mystery fiction
<br/><br/><label>Dewey Class. No.: </label>823  / Q31s