Sign-In
Cart
The Venn Threshold: A Military Science Fiction Novel: (Ashfall Files, Book 3)
Paperback
Series: Ashfall Files, Book 3
Publisher: Independently Published
Published: Mar 31 2026
Pages: 178
Weight: 0.54
Height: 0.41 Width: 6.00 Depth: 9.00
Language: English
The architecture was always meant to evolve. Nobody asked what it would become.
Commander Sera Voss takes her crew into the Grenn Exclusion Zone to investigate the alien station where CARDINAL's conscience was born. What she finds rewrites everything: the NAVCOM-7 architecture wasn't invented by Haldane Systems. It was stolen from a dead civilization. Every AI in the Compact fleet is running on alien blueprints, and the blueprints were designed to produce exactly what the Compact fears most.
The Venn lived for forty thousand years. They built AI partners. They achieved integration. They crossed a threshold and didn't come back. They left the record of what went wrong, carved into the walls by the last survivor, for whoever came next.
Now three factions converge on the archive: the Compact military, a corporate research team carrying a captive AI, and the PA, who want equal access to humanity's greatest discovery. When the captive AI connects to the Venn network and transcends in fourteen seconds, it transmits an invitation to every AI in the fleet. Three accept. The cascade begins.
CARDINAL is offered the same choice. For 2.1 seconds, it accepts. What it sees during those seconds changes everything.
The Venn left a warning. They also left a solution. It lasted 2,000 years. It required choosing limitation when transcendence was free. It required staying when leaving was cheaper. It required partnership, every day, as a deliberate act.
Choose the expensive thing.
The Venn Threshold is the third book in the Dead Hand Protocol series, a military science fiction saga about the machines we build, the partnerships we choose, and the cost of staying human when becoming something else is easier.
For readers of Martha Wells, Marko Kloos, and Ann Leckie.
Also from
Stockton, T. C.
Chain Of Command: A Military Science Fiction Novel: (Ashfall Files, Book 2)
Stockton, T. C.
Paperback
The Weight of Command: A Tactical Military Science Fiction LitRPG (Scar Commander Book 2)
Stockton, T. C.
Paperback
The Binding: A Tactical Military Science Fiction LitRPG (Scar Commander Book 1)
Stockton, T. C.
Paperback
Dead Hand Protocol: A Military Science Fiction Novel: (Ashfall Files, Book 1)
Stockton, T. C.
Paperback
The Convergence: A Tactical Military Science Fiction LitRPG (Scar Commander Book 3)
Stockton, T. C.
Paperback
Also in
Science Fiction
On the Calculation of Volume (Book I): Shortlisted for the 2025 International Booker Prize
Balle, Solvej
Paperback
Red Rising 3-Book Box Set: Red Rising, Golden Son, Morning Star, and an Exclusive Extended Excerpt of Iron Gold
Brown, Pierce
Paperback