| Issue | #4 |
| Published | January 1987 |
| Frequency | bi-monthly |
| Cover Price | 1.50 USD; 2.30 CAD |
| Pages | 36 |
| Editing | Randy Stradley |
| Characters | Trekker; Concrete (inset); Mindwalk (inset); Boris the Bear (inset) |
| Genre | superhero |
| Pencils | Ron Randall |
| Inks | Ron Randall |
| Characters | Trekker |
| Genre | superhero |
| Script | Ron Randall |
| Pencils | Ron Randall |
| Inks | Ron Randall |
| Letters | David Jackson |
| Reprinted | in Trekker Collection (Dark Horse, 1988 series) #[nn] |
| Characters | Concrete |
| Genre | science fiction |
| Script | Paul Chadwick |
| Pencils | Paul Chadwick |
| Inks | Paul Chadwick |
| Letters | Bill Spicer |
| Reprinted | in Concrete (Dark Horse, 2005 series) #3 (January 2006); in Best of Dark Horse Presents, The (Dark Horse, 1989 series) #1 |
| Characters | Mindwalk |
| Script | Randy Stradley; Randy Emberlin |
| Pencils | Randy Emberlin |
| Inks | Randy Emberlin |
| Letters | David Jackson |
| Characters | Concrete |
| Genre | satire |
| Script | Randy Stradley; James Dean Smith |
| Pencils | James Dean Smith |
| Inks | James Dean Smith |
| Letters | David Jackson |
| Characters | Concrete |
| Pencils | Paul Chadwick |
| Inks | Paul Chadwick |
| Notes | Image on back cover of issue. |