| Issue | #230 |
| Published | April 1956 |
| Frequency | monthly |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Whitney Ellsworth (credited); Jack Schiff (actual) |
| Characters | Batman [Bruce Wayne]; Robin [Dick Grayson]; Mad Hatter [Jervis Tetch] (villain) |
| Genre | superhero |
| Pencils | Win Mortimer |
| Inks | George Roussos |
| Characters | Batman [Bruce Wayne]; Robin [Dick Grayson]; Mad Hatter [Jervis Tetch] (intro, villain) |
| Synopsis | The Mad Hatter wants to add Batman's cowl to his collection of hats. |
| Genre | superhero |
| Script | Bill Finger |
| Pencils | Sheldon Moldoff |
| Inks | Charles Paris |
| Reprinted | in DC Special Blue Ribbon Digest (DC, 1980 series) #15 (November 1981); in Batman Annual (DC, 1961 series) #3 (Summer 1962) |
| Characters | Batman [Bruce Wayne] |
| Genre | superhero |
| Script | Martin Naydel |
| Pencils | Martin Naydel |
| Inks | Martin Naydel |
| Notes | puzzle |
| Characters | Roy Raymond; Karen (supporting); Daniel Martin (villain) |
| Genre | detective |
| Pencils | Ruben Moreira (signed) |
| Inks | Ruben Moreira (signed) |
| Characters | Casey the Cop |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Genre | fact; detective |
| Script | Jack Miller [as John Mallon] |
| Pencils | ? (illustration) |
| Inks | ? (illustration) |
| Colors | ? (illustration) |
| Letters | typeset |
| Characters | Martian Manhunter [John Jones; J'Onn J'Onzz]; Farrow Gang [Barney Bennett] (intro, villain) |
| Synopsis | The Blazer Comet takes away Jones' powers for 24 hours. |
| Genre | superhero |
| Script | Joe Samachson ? |
| Pencils | Joe Certa |
| Inks | Joe Certa |
| Notes | writer id by Bob Hughes 6/09. Manhunter uses super hearing for the first time. |
| Reprinted | in Showcase Presents Martian Manhunter (DC, 2007 series) #1 |
| Characters | Binky |
| Genre | teen |
| Script | Jack Schiff |
| Pencils | Win Mortimer |
| Inks | Win Mortimer |
| Letters | Ira Schnapp |