Tan, H. L. <br/><br/>
The missing letters / 
[H. L.Tan] 
 - Muar, Johor :  Karya Proaktif Enterprise,  2009 
 - 61p. :  ill. ;  21cm. 
 - The smart investigators series .
 - The smart investigators series .
<br/><br/> Includes questions 
<br/><br/><label>ISBN: </label>9789834446420 (pbk.):  RM19.75 9789834446482 (set) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers--Juvenile fiction
<br/><br/><label>Dewey Class. No.: </label>428.6