| Release: | Nov 1981 |
| Cover: | Nov 1981 |
The Superboy Who Never Was!; The Day of the Secret Signal!
| Release: | Nov 1981 |
| Cover: | Nov 1981 |
| Writer | E. Nelson Bridwell, Cary Bates |
| Cover Artist | Kurt Schaffenberger |
| Cover Penciller | Kurt Schaffenberger |
| Penciller | Kurt Schaffenberger, John Calnan |
| Inker | Joe Giella, Dave Hunt |
| Colorist | Jerry Serpe |
| Letterer | Ben Oda, Milt Snapinn |
| Editor | Julius Schwartz |
| Martha Kent | |
| Jonathan Kent | |
| Superboy | Kal-El / Clark Kent |
| John F. Kennedy | |
| Terra Man | Toby Manning |
| Age | Modern Age |
|---|---|
| Format | Comic |
| Series Group | Superman |
| Genre | Adventure | Super-Heroes |
| No. of Pages | 36 |
| Country | USA |
| Language | English |