| Issue | #301 |
| Published | March 1962 |
| Frequency | monthly |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Jack Schiff; Murray Boltinoff (associate editor); George Kashdan (associate editor) |
| Characters | Batman [Bruce Wayne]; Robin [Dick Grayson] |
| Genre | superhero |
| Pencils | Sheldon Moldoff |
| Inks | Sheldon Moldoff |
| Characters | Batman [Bruce Wayne]; Robin [Dick Grayson]; Commissioner Gordon (supporting); Brains Beldon (intro, villain) |
| Genre | superhero |
| Script | Arnold Drake ? |
| Pencils | Sheldon Moldoff |
| Inks | Charles Paris |
| Notes | writer id by Bob Hughes 7/09 |
| 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); Diane Meade (supporting); Dr. Alvin Reeves (intro, villain); Martians (villain); Mr. J'onzz; Mrs. J'onzz |
| Synopsis | Alvin Reeves fixes the robot brain and brings Martian Marauders to Earth. Jonzz follows him back to Mars and after this can return at any time |
| 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 |
| Script | Jack Schiff |
| Pencils | Lou Cameron |
| Inks | Lou Cameron |
| Letters | Ira Schnapp |
| Genre | fact |
| Characters | O'Malley of the 4th Precinct |
| Genre | detective |
| Script | Irwin Hasen |
| Pencils | Irwin Hasen |
| Inks | Irwin Hasen |
| Notes | Recolored. |
| Reprinted | from Detective Comics (1937 series) #233 (July 1956) |
| Characters | Warden Willis |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |