Penguin Science Fiction / Edited by Brian Aldiss

1.  Sole Solution by Eric Frank Russell

2.  Lot by Ward Moore

3.  The Short-Short Story of Mankind (aka “We’re Holding Our Own”) – by John Steinbeck

4.  Skirmish (aka “Bathe Your Bearings in Blood!”) by Clifford Simak –

5.  Poor little warrior! by Brian W. Aldiss

6.  Grandpa by James H. Schmitz

7.  The Half Pair by Bertram Chandler –

8.  Command Performance by Walter M. Miller Jr.

9.  Nightfall by Isaac Asimov

10. The Snowball Effect by Katherine MacLean

11. The End of Summer by Algis Budrys

12. Track 12 by J. G. Ballard