An anthology of exceptional science-fiction short stories. Volume 4 themes: The Earth is a non-renewable resource; Overpopulation is problematic; When only the war machines are left. Stories include:
- "The Dwindling Sphere", by Willard Hawkins (1940)
- "Billennium", by J. G. Ballard (1962)
- "Rust", by Joseph E. Kelleam (1939)