- Script:
- Alvin Schwartz
- Pencils:
- Howard Sherman (signed as Bob Kane)
- Inks:
- Howard Sherman (signed as Bob Kane)
- Colors:
- ?
- Letters:
- ?
- Genre:
- superhero
- Characters:
- Batman [Bruce Wayne]; Robin [Dick Grayson]; Jack Barnes; Harley Cottonworth; Roxane Wilder; Rupert Dazel; Eddie Hoyle; The Joker (villain); Sparks [villain].
- Synopsis:
- After winning a card game, the Joker decides to use his winning hand, a Royal Flush in diamonds, as the basis for a series of crimes.
- Reprints: show reprint note before migration
Art credits by Craig Delich. Some info and synopsis added by Craig Delich 5-25-09.
- Script:
- ?
- Pencils:
- John Daly
- Inks:
- John Daly
- Colors:
- ?
- Letters:
- ?
- Genre:
- detective-mystery
- Characters:
- Slam Bradley; Shorty Morgan.
Pencil credit revised by Jerry Bails (Nov. 2005). Pencil credit previously given to Howard Sherman.