DC · September, 1971
Reprints from Mystery in Space #27 (Aug-Sep 1955), #51 (May 1959), and #78 (Sep 1962); Reprints from Strange Adventures #63 (Dec 1955), #89 (Feb 1958), and #147 (Dec 1962); 64 pages; Aug-Sep issue
The Dawn-World Menace!; Mystery of the Runaway Meteor!; Earth for Sale; educ: Our Amazing Universe!; The Sign Language of Space!; Gateways to the Stars!
Writers: Gardner Fox, John Broome, France Edward Herron, Otto Binder, Ed Herron
Artists: Carmine Infantino, Sy Barry, Sid Greene