| Unofficial Mystery in Space Index |
Credits:
| Story | Dave Wood |
| Art | Howard Purcell |
| Editing | Jack Schiff |
Feature Character(s):
- Space Ranger (last in issue #101; next in Showcase #100)
Supporting Character(s):
- Myra Mason (last in issue #99/2; next in Green Lantern Vol. 2 #136)
- Cryll (last in issue #99/2; next in Showcase #100)
Villain(s):
- Jarret and Azzo (first appearance; two alien henchmen)
- Unnamed crime boss (first appearance; steals X-Box from a time capsule, which temporarily rejuvenates them, but then begins to age them; cured from a gun from the Y-Box)
Location(s):
Comment(s):
- Space Ranger flies the Solar King.
Credits:
| Art | Carmine Infantino |
| Editing | Jack Schiff |
Feature Character(s):
- Jorgonians (first appearance; an alien race; General Arnar named)
- Mazzians (first appearance; an alien race; General Krugg named)
Supporting Character(s):
- natives of Novu (first appearance of all)
Location(s):
- Unidentified Space Sector(s)
- Jorgon (first appearance)
- Mazz (first appearance)
- Plaka (first appearance)
- Novu (first appearance; an asteroid)
Comment(s):
- This story is not in DCU continuity.
Credits:
| Story | Dave Wood |
| Art | Lee Elias |
| Editing | Jack Schiff |
Feature Character(s):
- Ultra the Multi-Alien (Ace Arn; first appearance; Space Shuttle pilot transformed into 1/4 of four aliens)
Villain(s):
- Zobra (first appearance; from the planet Ulla; creates a weapon that can create copies of lifeforms; dies)
- Four unnamed alien criminals (first appearance for all; from Ulla, Laroo, Trago and Raagan)
Location(s):
Story Reprinted in:
- Pulp Fiction Library: Mystery in Space (1999)