Daniel is missing.
A municipal systems engineer disappears without a clean explanation.
Mara Ellison Thrillers · Book one
At 03:17, a missing man’s credentials log in again.
Compliance auditor Mara Ellison knows her brother is gone. The systems around his work insist he is still there.
English Kindle edition · Check current price on Amazon →A near-future technological thriller. No reviews, rankings or outcomes are claimed.
His credential stays active.
The same pattern returns at 03:17, precise enough to look normal.
Mara follows the mismatch.
Every clean record puts more distance between institutional truth and lived reality.
Systems mystery · human stakes
What if a copied routine became proof that a person was present?
Mara’s search cuts through Chicago infrastructure, corporate controls and a workforce algorithm whose records are cleaner than reality.
Every answer widens the conspiracy. Every shortcut risks turning Mara into the next person the system quietly removes.
The technology is grounded in human choices, loyalties and risk—not gadget spectacle.
Signal Black
A complete investigation. The beginning of a series.
The central mystery reaches a complete resolution while opening the wider world of the Mara Ellison Thrillers.
- Near-future technological suspense
- Chicago infrastructure and institutional control
- A compliance auditor at the center
- No conscious or magical AI
The English Kindle ebook is available on Amazon. Spanish and German editions remain in editorial preparation.
Reader resources
Enter the world of Signal Black without spoilers
Four spoiler-safe files about the novel's systems mystery, central character and opening contradiction.
Why a Surveillance Thriller Feels Plausible
A spoiler-free look at how Signal Black builds suspense from ordinary records, institutional trust, and human choices.
Character File: Mara Ellison
Meet Mara Ellison, the precise compliance auditor at the center of the techno-thriller Signal Black.
The 03:17 Pattern
A spoiler-safe introduction to the impossible 03:17 credential pattern at the heart of Signal Black.
Is Signal Black for You?
See whether Signal Black fits your reading taste: a grounded techno-thriller with human stakes and a complete central investigation.