| Issue | #38 |
| Published | January-February 1949 |
| Cover Price | 0.15 USD |
| Pages | 76 |
| Editing | Whitney Ellsworth (credited); Jack Schiff (actual) |
| Characters | Superman; Batman; Robin |
| Genre | superhero |
| Pencils | Win Mortimer |
| Inks | Win Mortimer |
| Notes | Mortimer verified to Craig Delich |
| Characters | Lois Lane; Perry White; Superman; Professor Smiggs; Bullet Barris |
| Synopsis | Superman sent to various points in the past by the IF machine. |
| Genre | superhero |
| Script | Edmond Hamilton? |
| Pencils | Wayne Boring ? |
| Inks | Stan Kaye |
| Notes | writer credit by Bob Hughes 11/04 |
| Characters | The Wind (intro); Green Arrow; Speedy |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | George Papp (signed) |
| Inks | George Papp (signed) |
| Notes | Arrowcar is green |
| Genre | humor |
| Script | Lit-Win (signed) |
| Pencils | Lit-Win (signed) |
| Inks | Lit-Win (signed) |
| Genre | adventure |
| Pencils | Howard Sherman |
| Inks | Howard Sherman |
| Genre | humor |
| Script | Henry Boltinoff (signed) |
| Pencils | Henry Boltinoff (signed) |
| Inks | Henry Boltinoff (signed) |
| Letters | Henry Boltinoff |
| Genre | war; adventure |
| Pencils | Curt Swan |
| Inks | Steve Brodie? |
| Notes | Revised inker credit by Craig Delich (Dec. 2005). Credit previously assigned to George Klein. |
| Characters | Zatara |
| Genre | occult |
| Script | George Kashdan |
| Pencils | William F. White |
| Inks | William F. White |
| Notes | writer verified by Martin O'Hearn |
| Genre | fact |
| Letters | typeset |
| Genre | humor |
| Script | Lit-Win (signed) |
| Pencils | Lit-Win (signed) |
| Inks | Lit-Win (signed) |
| Characters | Jack Frost and the Folklore Society (intro); Batman; Robin |
| Genre | superhero |
| Script | William Woolfolk |
| Pencils | Dick Sprang |
| Inks | Dick Sprang |
| Notes | writer credit by Martin O'Hearn, art credits by Craig Delich 6/04 |