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Jon Stock is an author who writes psychological and spy thrillers. The Sleep Room, his first non-fiction book, was published in the UK in April 2025 (Little, Brown), and in the US in July 2025 (Abrams). It investigates the controversial life and work of Dr William Sargant. A global expert on brainwashing, Sargant was head of the department of psychology at St Thomas' hospital in London from 1948 to 1972 and had close links to British and American intelligence services. The book is currently in development as a TV series.
‘Compelling’ – Sunday Times
‘A gripping exposé’ – Financial Times
‘Lacerating‘ – Blake Morrison, Guardian Book of the Day
Jon writes psychological thrillers under the name JS Monroe. His new thriller, His Final Patient, will be published on 13 August (Head of Zeus/Bloomsbury) and is about a psychiatrist who claims he can predict a patient's 'death day'. When he tells DI Silas Hart that he will die in five days' time, a chilling race against time ensues. 'His Final Patient is brainy, twisty, inventive... and, remarkably, grounded in research at once fascinating and horrifying,' says AJ Finn. 'It is, in other words, a JS Monroe thriller. Monroe writes thrillers for grown-ups: readers who admire sharp writing, readers who savour complex characters – characters like Silas Hart, one of the most appealing sleuths in contemporary crime fiction. The Hart novels are absorbing police procedurals that double as high-tension psychological thrillers (fans of Lisa Jewell, ready those nerves for jangling); but above all, they're mind-meddling, sleep-defying stories, the sort that remind you what real suspense feels like.'
After reading English at Cambridge, Jon became a freelance journalist, writing investigative and arts features for the Observer, Private Eye, the Independent and the Times. For two years, he was a foreign correspondent in New Delhi before returning to become Weekend editor of the Telegraph in 2005 and to write espionage novels. Dead Spy Running, part of the Daniel Marchant Spy Trilogy, was optioned by Warner Bros. with a screenplay written by Oscar-winner Stephen Gaghan.
In 2015, he became a full-time author. Find Me, his first JS Monroe thriller, has been translated into fourteen languages.
Jon is currently a Royal Literary Fund Bridge Fellow and is a vice chair of the Marlborough Literature Festival in Wiltshire, where he lives with his wife, the photographer Hilary Stock. They have three adult children.
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