Who Was Thomas Alva Edison?: Margaret Frith: 9781435272439
Who Was Thomas Alva Edison?: Margaret Frith: 9781435272439,Edison: The Inventor of the Modern World: David J. Kent,Thomas Edison | Biography, Early Life, Inventions, & Facts,Amazon | Who Was Thomas Alva Edison? (Who Was?) | Frith,Thomas Alva Edison: An American Myth: Wachhorst, Wyn