Kumara Velu,  <br/><br/>
The case of the violet incidents 

 - 41 pages :   illustrations ;   20 cm 
 - Young wizards science thrillers .
 - Young wizards science thrillers .
<br/><br/><label>ISBN: </label>9833447260 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers - Science - Fiction
<br/><br/><label>Dewey Class. No.: </label>428.6