| Release: | Jul 1971 |
| Cover: | Jul 1971 |
The Secret of Superboy's "Sister"; Invisible Invader
| Release: | Jul 1971 |
| Cover: | Jul 1971 |
The Secret of Superboy's "Sister" - The Kents adopt the girl of a family friend after a car accident, and an alien device Superboy brings home gives her super intellect. Will Superboy's secret be safe?
Invisible Invader - There is a theif around who can turn himself invisible. To learn how to stop him, the Legion may also be forced to reveal a means of stopping the Invisible Kid.
| Writer | E. Nelson Bridwell, Leo Dorfman |
| Artist | George Tuska |
| Cover Artist | Neal Adams |
| Penciller | Bob Brown |
| Inker | Murphy Anderson, Dick Giordano |
| Editor | Murray Boltinoff |
| Martha Kent | |
| Jonathan Kent | |
| Cosmic Boy | Rokk Krinn |
| Superboy | Kal-El / Clark Kent |
| Ultra Boy | Jo Nah |
| Mon-El | Lar Gand |
| Invisible Kid | Lyle Norg |
| Chemical King | Condo Arlik |
| Kathy Warren | |
| Invisible Invader | |
| Lisa Warren |
| Age | Bronze Age |
|---|---|
| Format | Comic |
| Series Group | Superboy |
| Genre | Action | Adventure | Science Fiction | Super-Heroes |
| No. of Pages | 32 |
| Country | USA |
| Language | English |
| My Rating |
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|---|---|
| Storage Box | Superman Titles BOX #1 |
| Read | |
| Index | 5601 |
| Added Date | Jun 19, 2014 11:32:18 |
| Modified Date | Jul 25, 2025 16:08:41 |