| Issue | #17 |
| Published | June 1998 |
| Cover Price | 2.50 USD |
| Pages | 36 |
| Editing | Dan Thorsland; Alisande Morales (assistant editor) |
| Characters | Marlon Corbet; clawed hands |
| Genre | adventure |
| Pencils | John Paul Leon |
| Inks | Shawn Martinbrough |
| Colors | Matt Hollingsworth |
| Notes | This cover may have been intended for issue 13 |
| Characters | Challengers of the Unknown [Brenda Ruskin; Clay Brody; Kenn Kawa; Marlon Corbet]; Hec Warden; Finlay; Freedom Ridge Militia; unnamed creature (Black Helicopter) |
| Synopsis | The Challs travel to Idaho to investigate a series of disappearances from a survivalist group. |
| Genre | adventure |
| Script | Steven Grant |
| Pencils | George Freeman |
| Inks | Bill Reinhold |
| Colors | James Sinclair; Zylonol Studio (separations) |
| Letters | Gaspar Saladino |