All 21 Minimalist Covers, and List, from Penguin Science Fiction
1. Last and First Men by Olaf Stapleton
2. Warm Worlds and Otherwise by James Tiptree Jr.
3. A Voyage to Arcturus by David Lindsay
4. The Ark Sakura by Kōbō Abe
5. Star Maker by Olaf Stapleton
6. Make Room! Make Room! By Harry Harrison
7. Black No More by George S. Schuyler
8. Driftglass by Samuel R. Delaney
9. Untouched by Human Hands by Robery Schedkley
10. Robot by Adam Wiśniewski-Snerg
11. Ice by Anna Kavan
12. 10,000 Light-Years From Home by James Triptree Jr.
13. Cat’s Cradle by Kurt Vonnegut
14. Trafalgar by Angélica Gorodischer
15. Flatland by Edwin A. Abbott
16. The Color Out of Space by H. P. Lovecraft
17. We by Yevgeny Zamyatin
18. The Hair-Carpet Weavers by Andreas Eschbach
19. The Cyberiad by Stanlislaw Lem
20. One Billion Years to the End of the World by Arkady and Boris Strugatsky
21. Dimension of Miracles by Robert Sheckley