Mr Deighton earned widespread acclaim for his espionage thrillers, producing an impressive body of work that cemented his reputation as one of Britain’s finest writers in the genre.

His debut novel, The Ipcress File, published in 1962, established him as a major literary talent and went on to become both a critical and commercial triumph.

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Throughout his career, he penned 39 books that captivated readers worldwide.

The impact of his work was evident among the tributes that flooded in shortly after his death was confirmed.

Fellow author A D Bergin penned on X: “An incredible legacy is left by Len Deighton, one including major contributions to both the spy fiction genre and the historical study of WWII.

“More, his writing still engages and challenge, rewarding re-reading, perhaps because he so methodically continued to work upon style and character, readability with depth.”

An incredible legacy is left by Len Deighton, one including major contributions to both the spy fiction genre and the historical study of WWII. More, his writing still engages and challenge, rewarding re-reading, perhaps because he so methodically continued to work upon style and… pic.twitter.com/e8TxCs9Zy2

— A. D. Bergin (@adberginwriter) March 17, 2026

Elsewhere, a fan of Mr Deighton added on the social media site: “I know he was old & hadn’t published in many years, but seriously, there should be a bit more on the timeline about the death of Len Deighton.

“A huge legend of spy writing. I will always think of my dad reading Berlin Game & others when I was a kid & the covers scaring me a bit.”

Another echoed: “Sad to hear that Len Deighton has passed away. Not many writers have got such a wonderfully sustained track record. Two of his novels I enjoyed were The Ipcress File and SS-GB and the next one I’ll read is Bomber.”

And a third spy thriller fan weighed in: “RIP Len Deighton, one of my favourite authors.”

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Arguably his most notable work, The Ipcress File, written during an extended stay in France’s Dordogne region, quickly became a bestseller across Britain, France, and the United States, shifting more than 2.5 million copies within three years of publication.

The novel introduced readers to an unnamed working-class intelligence officer, a cynical and tough protagonist who would feature in several subsequent works.

Critics have long drawn favourable comparisons between Mr Deighton and his contemporary John le Carré, as well as literary predecessors including Graham Greene, Ian Fleming and Eric Ambler.

The 1962 thriller was adapted for the big screen in 1965, with Michael Caine taking the lead role in a production that went on to claim Bafta honours.

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The film marked the beginning of several screen adaptations of Mr Deighton’s work, including Funeral in Berlin in 1966 and Billion Dollar Brain the following year.

More recently, ITV brought the story to a new generation of viewers in March 2022, with Peaky Blinders star Joe Cole stepping into the role of the unnamed spy.

Granada Television also produced a miniseries adaptation of his Game, Set and Match trilogy in 1988.