THREE AGAINST THE STARS! A sky pirate armed with superior weapons of his own invention... First contact with an alien race dangerous enough to threaten the safety of two planets... The arrival of an unseen dark sun whose attendant marauders aimed at the very end of civilization in this Solar System...
Child, it was, of the now ancient H-bomb. New. Untested. Would its terrible power sweep the stark Saturnian moon of Titan from space. or miraculously create a flourishing paradise-colony?
Nelson and Ramos sped on toward Mars in their tiny plastic-bubble spacecraft. They were on the alert it didn't pay to take anything for granted in the Big Vacuum The way between the worlds was mostly empty space except for the outlaws of the void who drifted, patiently and vengefully waiting for a victim, then struck! Nelsen and Ramos tensed blips on the radar screen! Maybe meteors.
A MYSTERIOUS "FALL-OUT" PARALYZES CIVILIZATION! Mayfield was the typical college town. Nothing too unusual ever happened there until a mysterious comet was suddenly observed by the scientists on College Hill. The copper-yellow glow of the comet seemed to have brought the whole world to a grinding halt.
When a super-robot discovers how to build his own superbombs, it becomes obvious that Earth is by no means the safest place for him to be. Dr. Fitzhugh, his designer, and Leda Crannon, a child psychologist acting as Snookums' nursemaid, agree to set up Operation Brainchild, a plan to transport the robot to a far distant planet. Mike the Angel Gabriel, Power Design has devised the power plant that is to propel the space ship Branchell to its secret destination, complete with its unusual cargo.
To some passengers a maiden voyage was a pleasure cruise; to others it meant a hope for new life. Only the Captain knew of its danger! The _Star Lord_ waited, poised for her maiden voyage. The gigantic silvery spindle, still cradled in its scaffoldings, towered upwards against the artificial sky of Satellite Y.