Short Stories/Novellas

It came to Earth to find a genius mathematician . . . the one human in the solar system capable of understanding the ultimate prime number. Time is running out. The time-lock on the Beast's millennia-old Martian cage is about to open, and mankind will never be able to deal with the threat! A classic from the Golden Age of science fiction, originally published in the August, 1940 issue of Astounding Science Fiction.

Their combined military power could not stand up to the tremendous might of Earth's greatest battleship. But one force could yet smash it--and give the Dellians the freedom they sought! This edition includes a detailed About the Author section.

Two people alone against all the forces of the ages.