Author: Victor Appleton II
When the Swift Enterprises undertakes to set up an atomic laboratory for the U.S. Government, Tom Jr. goes to work on a giant robot that can function by remote control when exposed to deadly atomic and hydrogen rays. The invention intrigues the interest of a band of clever bank robbers who think they can use the giant robot in their work. How they interfere with Tom's invention by means of flocks of mechanical crows; how a mad scientist joins the robber gang and almost succeeds in destroying the atomic laboratory from within its well-guarded walls; how, one by one, the clever criminals are out