| Issue | #278 |
| Published | April 1960 |
| Frequency | monthly |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Jack Schiff; Murray Boltinoff (associate editor); George Kashdan (associate editor) |
| Characters | Batman [Bruce Wayne]; Robin [Dick Grayson]; Titanic Man [Steve Condon] |
| Genre | superhero |
| Pencils | Sheldon Moldoff |
| Inks | Sheldon Moldoff |
| Characters | Batman [Bruce Wayne]; Robin [Dick Grayson]; Professor Simms (intro, villain); Titanic Man [Steve Condon] (intro) |
| Genre | superhero |
| Pencils | Sheldon Moldoff |
| Inks | Charles Paris |
| Script | Jack Schiff |
| Pencils | Bernard Baily |
| Inks | Bernard Baily |
| Letters | Ira Schnapp |
| Characters | Casey the Cop |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Characters | Roy Raymond; Karen (supporting) |
| Genre | detective |
| Pencils | Ruben Moreira |
| Inks | Ruben Moreira |
| Genre | humor |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Letters | typeset |
| Characters | Martian Manhunter [John Jones; J'onn J'onzz]; Captain Harding (supporting); The Rocky Carlin Gang (intro, villain); Venusians (villains) |
| Genre | superhero |
| Script | Jack Miller ? |
| Pencils | Joe Certa |
| Inks | Joe Certa |
| Notes | writer id by Bob Hughes 5/09 |
| Reprinted | in Showcase Presents Martian Manhunter (DC, 2007 series) #1 |