A collection of essays and articles discussing the life of the great inventor, Thomas Edison. Includes background information and bibliographical references.
Thirteen-year-old Robert "Qwerty" Stevens uses the time machine he finds in his back yard to visit Thomas Edison's workshop in 1879, and there helps develop the electric light bulb, but then needs his sister's help to return to his own time.
A biography of Thomas Alva Edison, the American inventor responsible for introducing the phonograph, incandescent lightbulb, and other important creations to the world.