Clifford D Simak

American science fiction author and editor Lester del Rey wrote, "Even the devoted aficionado or fan-has a hard time trying to explain what science fiction is," and the lack of a "full satisfactory definition" is because "there are no easily delineated limits to science fiction." According to Isaac Asimov, "Science fiction can be defined as that branch of literature which deals with the reaction of human beings to changes in science and technology." Robert...

Time travel is one of the staples of science fiction, right up there with aliens, space opera, and robots. Most science fiction authors have written at least one time travel story. This collection samples some of the best.

TIME OUT, by Edward M. Lerner

THESE STONES WILL REMEMBER, by Reginald Bretnor

PROJECT MASTODON, by John Gregory Betancourt

12:01 P.M., by Richard A. Lupoff

TIME CONSIDERED AS A SERIES OF THERMITE BURNS IN NO PARTICULAR

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