Christie, Agatha <br/><br/>
Pathimoonnu prasnangal / 
Agatha Christie; translated by P. Gopalakrishnan 
 - Kottayam :  Litmus, D. C. Books,  2013. 
<br/><br/> The thirteen problems - Original english title 
<br/><br/><br/>In Malayalam 
<br/><br/><label>ISBN: </label>9788126442027 
<br/><br/><label>Subjects--Index Terms: </label>Malayalam Novel - Detective Stories