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A Trade of Blood

On sale

11th August 2026

Price: £22

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Selected: Hardcover / ISBN-13: 9781399725507

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Eccentric yet brilliant detective Ana Dolabra must prove a man’s innocence to stop a civil war in the third book of the series that began with the award-winning The Tainted Cup.

In the canton of Sapirdad, two of the Empire’s most powerful families are moments away from going to war with each other, their hundreds of retainers gathered with swords drawn. If blood is spilled, the whole of the empire may be plunged into starvation and chaos.

To deescalate matters, someone must do the impossible: prove that one family’s eldest son is innocent of a gruesome and unforgivable murder, despite the incontrovertible evidence against him.

It is with this undertaking that the great detective Ana Dolabra is tasked, her assistant Din at her side – and the two find themselves racing with great speed and little dignity to the scene.

As ever, the impossible proves little obstacle for the deadly combination of Ana’s intellect and Din’s keen eye, and mere hours after riding into the dusty town, Ana glimpses the greater pattern behind the crime. A deeper, subtler web of death is being woven in plain sight, by a mastermind with an ancient magical technology at his disposal.

But even Ana’s uncanny insight is of little use when each new suspect she uncovers ends up dead–with each new killing calculated to bring tensions between the two rival clans past the boiling point. And as Din pursues their adversary through the canton’s wild ranges, sprawling ranches, and reeking slaughterhouses, he finds his loyalties divided in unexpected ways.

Reviews

PRAISE FOR ROBERT JACKSON BENNETT
Fonda Lee, World Fantasy Award–winning author of the Green Bone Saga
A riveting murder mystery wrapped in a twisty conspiracy, set in a vivid fantasy world terrorized by eldritch monsters . . . If you love unique, genre-bending, boundary-pushing fantasy as much as I do, look no further than Robert Jackson Bennett
Max Gladstone, New York Times bestselling co-author of This Is How You Lose the Time War
I loved this. A twisty detective story, a weird fantasy, a thrilling adventure - The Tainted Cup is a masterstroke. I want Bennett to write a dozen of these, and send them to me yesterday
Wesley Chu, #1 New York Times bestselling author of The War Arts Saga
Part Sherlock Holmes murder mystery, part Through the Looking-Glass, The Tainted Cup is one of the wildest, most original stories I've ever had the privilege to explore
Meg Gardiner, #1 New York Times bestselling author of the UNSUB series
Original, imaginative, and suspenseful, The Tainted Cup superbly blends mystery and fantasy in this vivid, complex novel. I couldn't put it down. Give me more of this world and these characters ASAP!
Fantasy Hive
A wicked clever immensely fun sequel that ups the ante further on a remarkably fun and imaginative series. A Drop of Corruption is already shaping up to be an early forerunner for book of the year (like its predecessor). I couldn't have asked for a better birthday gift than this book and this is my Pick for the Month
The Fantasy Hive
A Drop of Corruption by Robert Jackson Bennett seamlessly fuses together fantasy and sci-fi, politics and mysticism, nature and technology, new life and horrifying deaths. It is another incredible tale that is set to satisfy on every level

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