Dates
- Cover date
- August-September 1971
- On sale
- June 22, 1971
- Pages
- 52
Editions and covers
- Original editionSource ↗
Creators
pencils: Joe Kubert, Carmine Infantino, Curt Swan, Sy Barry, Sid Greeneinks: Joe Kubert, Joe Giella, Murphy Anderson, Sy Barry, Bernard Sachs, Sid Greenescript: Gardner Fox, John Broome, Julius Schwartz, Ed Herron, Otto Binder, Carmine Infantino
Stories
- The Dawn-World Menace! · 8.67 pages
A time-space warp brings two savage cavemen riding pterodactyls into the present day.
- Mystery of the Runaway Meteor! · 6 pages
- Earth for Sale · 7 pages
- The Sign Language of Space! · 6 pages
- Gateways to the Stars! · 9.67 pages