A spectrum of worlds

Description

Contains:
Bierce, A. The damned thing.
Wells, H. G. The sea raiders.
London, J. The red one.
Williamson, J. The metal man.
Benét, S. V. By the waters of Babylon.
Asimov, I. Trends.
Vogt, A. E. van. Far Centaurus.
Clarke, A. C. If I forget thee, o Earth.
Simak, C. D. Desertion.
Ballard, J. G. Thirteen for Centaurus.
Harrison, H. Captain Honario Harpplayer, R. N.
Delany, S. R. Driftglass.
Aldiss, B. W. Still trajectories.
Silverberg, R. Sundance.