The Society Series
“Twistier than Jeffrey Deaver. Faster-paced than James Patterson. Deadlier than Killing Eve.”
Eva Janssen. MI6 agent. Assassin hunter. If they know your name, you are already dead.
DI Nikki Ross Series
AI meets British policing in the smart-city of Milton Keynes.
DI Nikki Ross has one week to save her badge—and a life. But in a city where every camera is watching, how do you catch a killer who knows every move you make?
Dateline Zero Series
Longlisted for the CWA Debut Dagger
Britain 2025. A devastating plague has swept the nation. A ruthless dictator has seized power. The resistance fights back. But at what cost?
Book Series
All series free in Kindle Unlimited
DI Nikki Ross Series
AI meets British policing in smart-city Milton Keynes. One week to save her badge—and a life.
The Society Series
Eva Janssen. MI6 agent. Assassin hunter. If they know your name, you are already dead.
Dateline Zero Series
Longlisted for the CWA Debut Dagger. Britain 2025. Plague. Dictatorship. Resistance.
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About Karen
Karen Guyler writes gripping thrillers featuring impossible choices, twists you wont see coming, and unforgettable characters. Her books have been longlisted for the Crime Writers Association Debut Dagger and praised by readers worldwide.