A comprehensive biography of inventor Thomas Alva Edison that chronicles his childhood and achievements which included the phonograph and incandescent lightbulb.
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.
Traces the life and achievements of the inventor whose inventions include the electric light bulb, the phonograph, mimeograph machine, and the ticker tape machine.