| Release: | Jan 15, 1959 |
| Cover: | Mar 1959 |
The Dictator of Krypton City / The Case of the Green Error Clown
| Release: | Jan 15, 1959 |
| Cover: | Mar 1959 |
The Dictator of Krypton City - Luthor develops a means to shrink himself down to tiny proportions, and tricks Superman into getting him access to Krypton City.
The Case of the Green Error Clown - Green Arrow and Speedy take the Arrowcar to a circus, despite being dressed as Oliver Queen and Roy Harper, and are forced to stop a robbery using the equipement of the Green Error Clown.
| Writer | George Papp, Bill Finger, Ed 'France' Herron |
| Artist | George Papp |
| Cover Penciller | Curt Swan |
| Cover Inker | Stan Kaye |
| Penciller | Dick Sprang, Lee Elias, Lee Alias |
| Inker | Stan Kaye |
| Batman | Bruce Wayne |
| Superman | Kal-El / Clark Kent |
| Green Arrow | Oliver Queen |
| Lex Luthor | |
| Robin | Dick Grayson |
| Speedy | Roy Harper |
| Tomahawk | Thomas Hawkins |
| Age | Silver Age |
|---|---|
| Format | Comic |
| Series Group | Superman / Batman |
| Genre | Action | Adventure | Super-Heroes |
| No. of Pages | 32 |
| Country | USA |
| Language | English |