What's the big idea? :
Becker, Helaine, 1961-
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.
Includes index.
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.
9781897349601 : $27.95 1897349602 : $27.95
Inventions.
Inventors.
T48 / .B42 2009
609
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.
Includes index.
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.
9781897349601 : $27.95 1897349602 : $27.95
Inventions.
Inventors.
T48 / .B42 2009
609