Inventions :  get the inside story on gadgets and systems past and present  

 - New Delhi :  BPI India ,  c 2009. 
 - 64 p. :  ill. ;  29 cm. 
<br/><br/> Glossary available. 
<br/><br/><label>ISBN: </label>9788184970678  Rs. 199/- 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invention--Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>609  / In 8