"The Most Colorful Villain of All!"
When the Mirror Master blasts the Flash with rays from a stolen device, he loses the ability to tell the difference between the colors of the light spectrum.
"Fact File No.7, Detective Comics No.27"
A one-page text article on Detective Comics issue 27 and its place in DC Comics history.
Science facts that deal with the 100 yard dash, Halley's Comet, Hurricanes and the Spectroscope.