The Good Samaritan
She’s a friendly voice on the phone. But can you trust her?
The people who call End of the Line need hope. They need reassurance that life is worth living. But some are unlucky enough to get through to Laura. Laura doesn’t want them to hope. She wants them to die.
Laura hasn’t had it she’s survived sickness and a difficult marriage only to find herself heading for forty, unsettled and angry. She doesn’t love talking to people worse off than she is. She craves it.
But now someone’s on to her—Ryan, whose world falls apart when his pregnant wife ends her life, hand in hand with a stranger. Who was this man, and why did they choose to die together?
The sinister truth is within Ryan’s grasp, but he has no idea of the desperate lengths Laura will go to…
Because the best thing about being a Good Samaritan is that you can get away with murder.
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John Marrs
John Marrs is the British author whose books grip readers by the throat and never let go. Known for his psychological thrillers and speculative fiction, he explores the unpredictable intersection of technology, ethics, and the human psyche. His narratives are populated by flawed characters navigating the dangerous waters of modern life, with the technology meant to serve us often becoming our greatest adversary.
Before finding his voice as a novelist, Marrs spent over two decades as a freelance journalist, writing for prominent publications like The Guardian, Empire, and HuffPost. This experience in storytelling—where every word counts and every detail matters—shaped his tight, suspenseful prose that keeps readers on the edge of their seats. His debut novel, When You Disappeared (originally The Wronged Sons), laid the foundation for his later work, setting the stage for the twist-filled narratives that have become his signature.

