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A Trade of Blood

Robert Jackson Bennett

Fantasy
Mystery
LGBTQIA+

At a glance

Special edition with foil
🥉
Third in a series
😵
Genre bending
🔁
Repeat Aardvark author

Detective Ana Dolabra must prove a condemned man’s innocence and confront a terrifying magical technology in this fantasy-mystery from the bestselling author of The Tainted Cup, winner of the Hugo and World Fantasy awards.

The heir to one of the Empire’s most powerful families sits in jail, accused of murder. His hands are covered in the victim’s blood, and he can neither deny his guilt nor explain his actions.

But if the great detective Ana Dolabra cannot save him from the noose, the farming canton of Sapirdad will explode into war, threatening to plunge the whole Empire into starvation and chaos.

As Ana investigates—her assistant Dinios Kol, as ever, acting as her eyes and ears—she fears her task is even more daunting than it seemed. For this murder is just the latest in a deeper, subtler web of death, woven by a mastermind with an ancient weapon at his disposal.

With their customary skill, Ana and Din pursue their adversary through the canton’s wild ranges, sprawling ranches, and reeking slaughterhouses. Yet even they are not prepared to learn the horrifying secret behind their opponent’s powers.

Don’t just take
our word for it

“Bennett continues to make genre-blending appear effortless in his stellar third Ana and Din novel (after 2025’s A Drop of Corruption), a suspenseful whodunit set in an immersive and imaginative alternate world. . . . The case is as clever and fairly clued as ever, and it’s a pleasure to revisit these sharply drawn characters. This series shows no signs of slowing down.”

- Publishers Weekly, starred review 🌟

“Series fans will be delighted with the Romeo and Juliet–inspired plotline involving a complex mystery that astounds even the peevish detective. The introduction of a member of Din’s family plus new hints about Ana’s history will have readers eager for their next adventure.”

- Booklist, starred review 🌟

“Another highly recommended entry in the [series] . . . Will also appeal to those who are looking for new, different, and fascinating recreations of the greatest detectives and epic fantasy readers craving a dangerous world to plumb to its depths.”

- Library Journal, starred review 🌟

Get a taste

Before there was memory, before there was history, there were the leviathans: the colossal, monstrous creatures that lumbered ashore each wet season and went wandering the plains, bringing death and panic with them. For centuries, the folk of the land lived at their whim, and knew only fear and suffering.

Then the people of the Valley of Khanum learned the secrets of shaping flesh  and root and branch— secrets rendered from the blood of the leviathans.

They altered their bodies. They made themselves brilliant, and strong. And when they emerged so transformed from the shadows of that valley, they began to change all the world before them. First,  they devised methods to bring down the leviathans. Then they conquered the petty tyrants, who ruled the highlands where the leviathans could not venture. And thus, the Empire of Khanum was born.

For six hundred years, the Empire has spread and survived— but only barely. The first people of Khanum died out long ago, and the Empire lost much wisdom and cunning with them. Each year, the leviathans still come ashore. Each year, all the arts and genius of the Empire must be mustered to hold them back. And all the while, harmony, equality, and progress must be maintained, for without them, the Empire shall unravel.

Within this Empire serves Dinios Kol, who is assigned to the Iudex, the imperial institution for administrating justice. His mind is altered so he forgets nothing. He acts as assistant investigator to Ana Dolabra, a woman so brilliant she lives most of her days blindfolded and rarely leaves her rooms, for fear that common life shall overwhelm her mind.

Together, they are tasked with the investigation of imperial deaths of an unusually difficult or dangerous nature. He investigates and remembers; she analyzes, evaluates, and spies hidden truths in all he witnessed.

Together, they bring justice to the Empire.

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Book notes

  • 🙋‍♀️ Why we chose

    Y’all, this series just keeps getting better and better.

    This pick really needs no explanation. The Shadow of the Leviathan series is brilliant from top to bottom: the elite fantasy worldbuilding, Ana and Din’s top-tier banter, the perfectly crafted mystery. In the third installment of this masterful series, the characters we’ve grown to love get even deeper and more complicated, their backstories filling out and their futures looming ahead, dark and portentous.

    Robert Jackson Bennett truly does world-building like no other: rarely do fantasy novels consider the logistics of their worlds, but A Trade of Blood deep-dives into the nitty-gritty of how the Empire feeds itself. We get high-level drama around its complex agricultural web, the tensions and stakes around how food is produced—how to save a civilization from starvation and solve some high-profile murders in the meantime.

    August reading vibes: Read this one by a smoky campfire, right as dusk takes over the summer sky—the perfect atmosphere for inhaling a good murder mystery. If you need something to fill your down time on a neverending family holiday, pick up the full trilogy and binge all three!