| Issue | #29 |
| Published | April 1975 |
| Frequency | bi-monthly |
| Cover Price | 0.25 USD |
| Pages | 36 |
| Editing | Roy Thomas |
| Characters | Vance Astro; Charlie-27; Martinex; Yondu |
| Genre | science fiction; superhero |
| Pencils | Gene Colan |
| Inks | Frank Giacoia |
| Reprinted | from Marvel Super-Heroes (Marvel, 1967 series) #18 |
| Genre | Science Fiction; Superhero |
| Script | Arnold Drake |
| Pencils | Gene Colan |
| Inks | Mike Esposito |
| Letters | Herb Cooper |
| Editing | Stan Lee |
| Reprinted | from Marvel Super-Heroes (Marvel, 1967 series) #18 (January 1969) [original title: Guardians of the Galaxy!, minus 4 pages] |