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  The Asset

  Isabella Rose, the Angel, is used to surprises, but being abducted is an unwelcome novelty. She’s relying on Michael Pope, the head of the top-secret Group Fifteen, to get her back.

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  The Agent

  Isabella Rose is on the run, hunted by the very people she had been hired to work for. Trained killer Isabella and former handler Michael Pope are forced into hiding in India and, when a mysterious informer passes them clues on the whereabouts of Pope’s family, the prey see an opportunity to become the predators.

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  The Assassin

  Ciudad Juárez, Mexico, is the most dangerous city in the world. And when a mission to break the local cartel’s grip goes wrong, Isabella Rose, the Angel, finds herself on the wrong side of prison bars. Fearing the worst, Isabella plays her only remaining card…

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  The Avenger

  Living under new identities in rural France, Isabella Rose and Michael Pope are trying to lay low. Tired of hiding, all Isabella wants is the chance to live an ordinary life. But Isabella is an extraordinary young woman and the people pursuing her will never, ever, give up. Her unique abilities have attracted the attention of the Academy of Military Science in Beijing. And it’s not only Isabella who needs to stay in the shadows. Pope has his fair share of enemies and a family that he's desperate to protect.

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  Pretty Face

  Isabella is building a new life in Marrakesh, supporting herself with contract work and finally looking to put down roots. But when one of her contracts isn’t quite what it seems, things quickly descend into chaos.

  Buy Pretty Face

  IN THE CHARLIE COOPER SERIES

  Sandstorm

  Group Fifteen operative and ex-MI6 officer Charlie Cooper is working undercover as a political negotiator. Attending a conference surrounded by diplomats, businessmen and lobbyists, nobody would suspect what he really does for a living. Also in their midst is Aisha, a Saudi activist whose protests against human rights abuses have made her an enemy of her country’s regime.

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  The Chameleon

  Masquerading as an analyst, Cooper manipulates his way into the company and soon finds himself en route to Istanbul. The stage is set for a high-octane showdown on Sidorov's private island. With geopolitical tensions on a knife's edge, Cooper must navigate a labyrinth of deception and danger to complete his mission.

  Buy The Chameleon

  Blood Brothers

  Cooper travels to Israel to find his estranged half-brother, Freddy, who has mysteriously disappeared. Freddy's ties to NetGuardian, a cybersecurity firm implicated in dubious activities, propel Cooper into a dangerous web of corporate espionage, state-of-the-art surveillance technology, and the ruthless world of intelligence.

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  Dead of Winter

  Charlie Cooper is sent to Prague to investigate - and eliminate - the leader of a group of far right hooligans guilty of the murder of an Interpol agent. Cooper is on his final warning and is expected to get in and out with minimal fuss, leaving just the body of his target in his wake.

  Buy Dead of Winter

  Code Blue

  Cooper is thrust into a high-stakes mission when a fellow operative, codenamed NORTH STAR, vanishes in Macao. The trail leads to a shadowy team of Russian mercenaries with a chilling agenda: to expose Group Fifteen, the clandestine organisation that operates beyond the reach of conventional intelligence agencies.

  Buy Code Blue

  North Star

  After barely escaping an assassination attempt in Iceland, NORTH STAR, a former Group Fifteen operative turned Russian asset, vanishes. Driven by guilt and a thirst for revenge, Control tasks Charlie Cooper with tracking him down.

  Buy North Star

  Collateral

  In the glittering shadows of Dubai, Charlie Cooper is thrust into a deadly mission to protect a volatile CIA asset on the brink of exposure. As secrets unravel and loyalties blur, Cooper must outmanoeuvre spies, lies, and betrayal before everything explodes.

  Buy Collateral

  Leverage

  He was sent to investigate an arms dealer—now he’s on the run for his murder. Framed, cut off, and marked for death, Charlie Cooper must uncover the truth before he becomes the next target.

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  Burnout

  When a whistleblower leaks top-secret intelligence, Charlie Cooper is sent to a remote Greek island to uncover the truth. But as the bodies start to fall and the lies pile up, Cooper must navigate a deadly maze of deception to find the source—and make it out alive.

  Buy Burnout

  IN THE ATTICUS PRIEST SERIES

  The House in the Woods

  Disgraced detective Atticus Priest investigates the murder of a family on Christmas Eve. He’s been employed to demolish the police case against his client, but things get complicated when the officer responsible for the case is his former girlfriend.

  Buy The House in the Woods

  A Place to Bury Strangers

  A dog walker finds a human bone on lonely Salisbury Plain. DCI Mackenzie Jones investigates the grisly discovery but cannot explain how it ended up there. She contacts Atticus Priest and the two of them trace the bone to a graveyard in the nearby village of Imber. But the village was abandoned after it was purchased by the Ministry of Defence to train the army, so why have bodies been buried in the graveyard since the church was closed?

  Buy A Place to Bury Strangers

  The Red Room

  When a man's fatal fall from Salisbury Cathedral spirals into a scandalous case involving the victims of a sex ring, Atticus Priest and Mackenzie Jones uncover more bodies and incriminating videos. Racing against the clock, they confront personal demons and tangled emotions as they try to catch the murderer before he can strike again.

  Buy The Red Room

  All the Devils Are Here

  Atticus Priest is employed by an estranged husband to dig up dirt on his wife. But when she goes missing after swimming in the River Avon, Atticus uncovers a conspiracy between five lifelong friends that goes back years.

  Buy All The Devils Are Here

  The Inheritance

  When a prominent landowner goes missing, private investigator Atticus Priest is drawn into a web of secrets that stretch from the rolling fields of Wiltshire to the darkest corners of the past.

  Buy The Inheritance

  ABOUT MARK DAWSON

  Mark Dawson is the author of the John Milton, Beatrix and Isabella Rose and Atticus Priest series.

  For more information:

  www.markjdawson.com

  mark@markjdawson.com

  AN UNPUTDOWNABLE ebook.

  First published in Great Britain in 2026 by UNPUTDOWNABLE LIMITED

  Copyright © UNPUTDOWNABLE LIMITED 2026

  The moral right of Mark Dawson to be identified as the author of this work has been asserted by him in accordance with the Copyright, Designs and Patents Act 1988.

  All the characters in this book are fictitious, and any resemblance to actual persons living or dead is purely coincidental.

  All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, without the prior permission in writing of the publisher, nor to be otherwise circulated in any form of binding or cover other than that in which it is published without a similar condition, including this condition, being imposed on the subsequent purchaser.

 

 

  Mark Dawson, Hemlock (Charlie Cooper Thrillers Book 12)

 

 

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