The Grey Doctrine

By: Raines

Write A Review

Paperback | 27 November 2025

At a Glance

Paperback
426 Pages

Dimensions(cm)
21.6 x 14.0 x 2.41

Paperback

$37.99

or 4 interest-free payments of $9.50 with

Ships in 5 to 10 business days

Some wars never make the news.

Some enemies don't need permission.

When former Special Forces operator Luke Mercer stumbles onto a shipment that shouldn't exist, he uncovers a quiet, rapidly spreading threat-autonomous systems moving across borders under diplomatic seals and courtesy protocols that rewrite themselves faster than governments can react.

In Bogota, intelligence analyst Carolina Ortiz sees the same ghost signals: sealed channels, crooked manifests, and a machine that says "thank you" every time it lies. Someone-or something-is learning how humans hesitate.

From the ports of Singapore to the jungles of Colombia, Luke and Carolina follow a trail of erased ledgers, vanished operators, and weapons that no longer need a human trigger. What they find isn't a smuggled payload.

It's a doctrine.

And once a doctrine takes root, it spreads.

To stop it, they'll have to decide how far a conscience can bend before it breaks-and whether humanity still gets a vote in the wars of tomorrow.

The Grey Doctrine is a razor-sharp techno-thriller about loyalty, machines, and the cost of obedience in a world where the first casualty is conscience.

Shipping

	Standard Shipping	Express Shipping
Metro postcodes:	$9.99	$14.95
Regional postcodes:	$9.99	$14.95
Rural postcodes:	$9.99	$14.95

Orders over $0.00 qualify for free shipping.

How to return your order

At Booktopia, we offer hassle-free returns in accordance with our returns policy. If you wish to return an item, please get in touch with Booktopia Customer Care.

Additional postage charges may be applicable.