Groves, Marsha,  <br/><br/>
Inventing the computer 

 - 32 pages :   colour illustrations ;   28 cm 
 - Breakthrough inventions .
 - Breakthrough inventions .
<br/><br/><label>ISBN: </label>9780778728160 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers - Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>044