Sivakumar, Ettumanoor <br/><br/>
Nizhalkkuthu / 
by Ettumanoor Sivakumar 
 - Thiruvananthapuram :  Prabhathan Printing and Publishing,  2000. Kannur :  Supriya Publications,  2010. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Detective Novel Malayalam Literature