Audiobooks online: genre "Science Fiction", page 20

The most dangerous of animals is not the biggest and fiercest—but the one that's hardest to stop. Add intelligence to that ... and you may come to a wrong conclusion as to what the worst menace is.... - Summary by Analog Science Fact & Fiction...

The Time Traveller entertains the guests at a dinner party with the tale of his journey forward in time to A.D. 802,701 using his new invention, a time machine. The future of humanity is so disturbing that he decides to return to the present, only to discover that his time machin...

The Moon is Green, Bread Overhead and What's He Doing In There?! Three of the best known and loved Science Fiction short stories by the wonderful Fritz Lieber. Always tongue in cheek, and always with a funny twist, Leiber deftly shows how humans will adapt to or mess up the fu...

Ancient living machines that after millennia of stillness suddenly begin to move under their own power, for reasons that remain a mystery to men. Holati Tate discovered them—then disappeared. Trigger Argee was his closest associate—she means to find him. She's brilliant, beaut...

Dr. Calhoun and his pet tormal Murgatroyd work for the Interstellar Medical Service making routine public health inspections on far-flung colonial planets. When they reach Tallien Three they are greeted with a rocket attack by the Paras, a mutated form of human rapidly replacing ...

Humans have expanded to myriads of worlds throughout the galaxies but they have found that the only way for colonies to be self sustaining, was to reproduce the total ecology of their home world; the original Earth. This meant bringing the entire ecosystem, the good, the bad and ...

World War IV has dragged on for 12 years and the whole world is drained and tired of the killing and destruction. One man, a high school chemistry teacher from St. Louis in the USA, is serving his latest forced stint in the UN forces when something strange happens to him. He die...

Mysterious, dark, out of the unknown deep comes a new satellite to lure three courageous Earthlings on to strange adventures. (Summary by Charles Diffin) ...

A true pulp science fiction from 1952 from the pen of Leigh Douglas Brackett. In the deep caves of Mars an alien race ruled and enslaved men and women with cruel and unfeeling desires. This was about the challenged by one weak man. He knew what he had to do and would die tryin...

This is the second book of a fanciful series written by Ralph Milne Farley, pen name for Roger Sherman Hoar. It is an interplanetary adventure in the style of Edgar Rice Burroughs. In the first book, "An Earthman On Venus," Myles Cabot, an electrical engineer from Earth, was ac...

Edmond Hamilton (1904 – 1977) had a career that began as a regular and frequent contributor to Weird Tales magazine. The first hardcover publication of Science Fiction stories was a Hamilton compilation, and he and E.E. “Doc” Smith are credited with the creation of the Space O...

When Earth loses contact with the colony planet Eden, an expedition is sent to find out why. Even though the planet has been determined to have no hostile properties, the second expedition is astonished to find no evidence of the colony. The colonists are spread out, naked, wande...