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      The Turing Protocol

      by Nick Croydon
      Published
      Aug 2025
      Main Genre
      Thriller Thriller
      Rating
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      About This Book

      In the midst of World War II, Enigma codebreaker Alan Turing has created a machine named Nautilus that can send a message back into the recent past. After Turing uses it to help the Allied forces succeed on D-Day, he sees the power (and potential danger) of what he has created. He knows he can only entrust it to one person: Joan, the mother of his secret child.Over the next seventy years, the Nautilus is passed down through the Turing family, who all must decide for themselves when to use this powerful invention. Will it save the world - or destroy it?

      Genres & Themes

      Genres

      General Fiction Suspense

      Subgenres

      Espionage / Spies / CIA Historical Political Thriller Thriller

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      Formats & Editions

      Browse the different covers, formats, and publication history for this title.

      Hardcover

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      Hardcover
      Dec 2025 William Morrow ISBN 0063485133
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      eBook

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      eBook
      First Edition Aug 2025 Affirm Press ISBN 1761636863
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      eBook
      Jul 2025 -- Not Selected ISBN B0FB9NHGXT
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      eBook
      Sep 2025 Simon & Schuster (UK) ISBN 139855216X
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      eBook
      Dec 2025 HarperCollins ISBN 0063485117
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      Audio

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      Audio CD
      Dec 2025 HarperCollins
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      Audio CD
      Dec 2025 HarperCollins ISBN B0FVB6BKQ2
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      Audible
      Aug 2026 -- Not Selected ISBN B0G4L8M7D6
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