Becker, Helaine,  1961- <br/><br/>
What's the big idea? :  inventions that changed life on Earth forever / 
Helaine Beckker ; illustrated by Steve Attoe. 
 - Toronto :  Berkeley, Calif. :  Maple Leaf Press ;  Distributed in the U.S. by Publishers Group West,  c2009. 
 - 96 p. :  col. ill. ;  29 cm. 
<br/><br/> Includes index. 
<br/><br/> Examines major inventions which had an impact on the world and can be credited to known inventors, from the printing press to the World Wide Web. 
<br/><br/><label>ISBN: </label>9781897349601 :  $27.95 1897349602 :  $27.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions.<br/>Inventors.
<br/><br/><label>LC Class. No.: </label>T48  / .B42 2009 
<br/><br/><label>Dewey Class. No.: </label>609