| Issue | #49 |
| Published | October-November 1948 |
| Cover Price | 0.10 USD |
| Pages | 52 |
| Editing | Whitney Ellsworth |
| Notes | Revised pencil credits verified by Craig Delich (Nov. 2005). Lew Schwartz credit deleted. |
| Genre | superhero |
| Pencils | Bob Kane |
| Inks | Charles Paris (verified by Paris) |
| Letters | Ira Schnapp (credit by O'Hearn/Desris) |
| Notes | Revised pencil credits verified by Craig Delich (Nov. 2005). Lew Schwartz credit deleted. |
| Characters | I: Dr. Paul Taber |
| Genre | superhero |
| Script | Bill Finger |
| Pencils | Jim Mooney (verified by Mooney) |
| Inks | Jim Mooney |
| Letters | Ira Schnapp (credit by O'Hearn/Desris) |
| Characters | I: Vicki Vale; V: The Mad Hatter I (I) |
| Genre | superhero |
| Script | Bill Finger (credit by O'Hearn) |
| Pencils | Bob Kane (Batman & Robin figures only); Lew Schwartz |
| Inks | Charles Paris (verified by Paris) |
| Letters | Ira Schnapp (credit by O'Hearn/Desris) |
| Script | Henry Boltinoff (signed) |
| Pencils | Henry Boltinoff (signed) |
| Inks | Henry Boltinoff (signed) |
| Letters | Henry Boltinoff |
| Genre | superhero |
| Script | Joe Samachson (as William Morrison) |
| Pencils | Raymond Perry |
| Inks | Raymond Perry |
| Letters | typeset |
| Characters | GS: Prof. Carter Nichols; V: The Crier (I); I: Caliph Haroun-Al-Raschid |
| Synopsis | Time-travel story |
| Genre | super-hero |
| Pencils | Bob Kane |
| Inks | Charles Paris (verified by Paris) |
| Letters | Ira Schnapp (credit by O'Hearn/Desris) |
| Notes | Revised pencil credits verified by Craig Delich (Nov. 2005). Lew Schwartz credit deleted. |
| Script | Phil Berube (signed) |
| Pencils | Phil Berube (signed) |
| Inks | Phil Berube (signed) |
| Pencils | C. C. Beck |
| Inks | Pete Costanza |