Title: Thomas Edison and His Bright Idea
Subjects: Edison, thomas a. (thomas alva), 1847-1931, juvenile literature, Edison, thomas a. (thomas alva), 1847-1931, Inventors, Inventors, juvenile literature, Engineers, Engineers, juvenile literature, Inventions, Inventions, juvenile literature, Juvenile literature, Biography, Electrical engineers, History, JUVENILE NONFICTION, Biography & Autobiography, Science & Technology, Reader, Intermediate, Technology