On-sale date from the Direct Currents page of From Beyond the Unknown (DC, 1969 series) #8 and copyright registration.
Story in two parts of 5.67 and 8 pages.
Letters from Mark Olsson, Warren McCausland, Nick Nalywayko, Joan Lodge, Bill Meighan, Ray Leos, Bruce Warren, Donald Jaines, Sonny Jordan, Tim Riley, and Robert Spohr.
Pencils and inks credits confirmed from Julie Schwartz's editorial records, provided by DC Comics. We formerly credited the script to Bob Haney in error.