Story
Featuring
Superman
Storyline
Superman must retrieve a super secret invention, the human wavelength detector, from the clutches of the Toyman, but finds it a challenge as the villain has set the machine to pick up the electrical vibrations of the Man of Tomorrow.
Story Notes
Credits changed to match Siegel's records: Siegel and Shuster v. National Comics Publications, Inc. et al., case no. 1099 (Westchester Cty. Sup. Ct. 1947).