Issue: #413
Last valuation update: 2026-10-22
“The Walking Bombs.” Starring Supergirl, Robert Meekly, Geoff Anderson and Johnny Drew."The Walking Bombs!" (Supergirl)"Earth's Impossible Day" (Hawkman/Hawkgirl - Reprinted from The Brave and the Bold #44)"Zatanna the Magician" -- (Zatanna & Justice League of America)"The Robot Ghost" (Robotman/Robert Crane - Reprinted fromDetective Comics #178)
First appearances: Jeff Sloane
Creators: Gardner Fox, John Albano, Len Wein, Ben Oda, Bob Oksner, Art Saaf, Joe Kubert, Gray Morrow, Joe Orlando
Characters: Batman, Hawkman, Zatanna, Hal Jordan, Barry Allen, Hawkgirl, Zatara, Supergirl, Supergirl, Elongated Man, Ray Palmer, Allura, Robert Crane, Katar Hol, Jeff Sloane