Sivakumar, Ettumanoor <br/><br/>
Valampirisanghu / 
by Ettumanoor Sivakumar 
 - Kochi :  C I C C Book House,  2016.  1997.  1997. Thiruvananthapuram :  Prabhatham Book House,  2008. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Malayalam Horro Novel  Malayalam Novel - Detective Stories