"Station Mars on the Air!"
*On a routine mission to Earth, Martians discover that it has been destroyed. Trying to help avert whatever massive disaster caused it, the Martians travel back in time to warn Earthlings of the doom that awaits them.
"Mysteries in Space!"
*Information about Mercury, Venus and Haley's Comet.
"The First Interplanetary Fair!"
*Earth operatives try to uncover sinister plans being hatched by Plutonians against the Earth at the galaxy's first Interplanetary Fair.
"Giants of the Telescope"
*The story of Sir William Huggins.
"Rescue Squad of Tomorrow!"
*A patrolman begins to wonder if he will ever become seasoned enough to travel on regular missions.
"Wonders of Space"
*Two text stories.
"Our Amazing Sun!"
*Facts about the Sun.
"The Explosive Man!"
*An interstellar insurance man seems to be cursed as wherever he goes and whatever he does ends in cursed disaster. *Source: DocRx8482