| Unofficial Superboy Index |
"The Secret of Mon-El!"
Credits:
| Story | Robert Bernstein |
| Art | George Papp |
| Pencils | Curt Swan |
| Inks | George Klein |
| Lettering | Joe Letterese |
| Editing | Mort Weisinger |
Feature Character(s):
- Superboy (last in Adventure Comics #284; next in the second story in this issue)
Supporting Character(s):
- Jor-El (in flashback following flashback in World of Krypton #3 and preceding Superboy and the Legion of Super-Heroes #255)
- Lara Jor-El (in flashback following flashback in issue #104 and preceding flashback in Superman Vol. 1 #100/3)
- Krypto (last in Adventure Comics #284; next in the second story in this issue)
- Chief Parker (last in issue #88/3; next in the second story in this issue)
- Lana Lang (in between Adventure Comics #284 and #285)
- Jonathan Kent (last in Adventure Comics #284; next in the second story in this issue)
- Martha Kent (last in Adventure Comics #284; next in the second story in this issue)
Villain(s):
- a criminal sentenced to the Phantom Zone (in flashback)
- bank robbers (first appearance of all)
Other Character(s):
- Mon-El (Lar Gand; first appearance; also in flashbacks; next in Adventure Comics #293)
- Ed Locke (a travelling salesman)
- Miss Joyce (first appearance; an English teacher at Smallville High)
- King Mycerinua (first appearance)
- Rhodopis (first appearance)
- police officers
- Smallville High School students
Location(s):
- Space Sector 1760
- Daxam (first mentioned)
- Space Sector 2813
- Krypton
- Kryptonopolis (in flashback)
- Krypton
- Space Sector 2814
- Earth
- Egypt (4000 BC)
- United States of America
- Earth
- Unidentified Space Sector
- an unidentified planetoid
Story Reprinted in:
- Superboy Vol. 1 #129 (May 1966)
- Adventure Comics #494 (December 1982)
- Legion of Super-Heroes Archives #1 (1991)
- Showcase Presents: Legion of Super-Heroes #1 ([April] 2007)
- Superman: Tales from the Phantom Zone ([June] 2009)
- Legion of Super-Heroes: The Silver Age Omnibus #1 (2017)
Credits:
| Story | Jerry Siegel |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Editing | Mort Weisinger |
Feature Character(s):
- Superboy (last in the first story in this issue, next in Adventure Comics #285)
Supporting Character(s):
- Chief Parker (last in the first story in this issue, next in issue #91/3)
- Jonathan Kent (last in the first story in this issue, next in Adventure Comics #286)
- Martha Kent (last in the first story in this issue, next in issue #90/3)
Villain(s):
- various lawbreakers (a speeder, gamblers, a man abusing his horse, a con artist; first appearance of all)
Other Character(s):
- police officers
- Dr. Kerr (first appearance)
Location(s):