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 of Thomas Edison, one of the most influential inventors in American history, from his early childhood and education through his sources of inspiration and challenges faced, early successes, and the many inventions for which he is best known.
A biography of American inventor and businessperson Thomas Edison, covering his upbringing, marriages, career, and many patented creations, such as the first practical electric light bulb.
Examines the life and career of American inventor and businessman Thomas Edison, and features cartoon-style illustrations, and reproductions of Edison's sketches and notebooks.
"The light bulbs we use today in our schools and homes are thanks to Thomas Edison. What were the steps Edison took that led him to the world-changing invention we know him for today?"--Provided by the publisher.