“An incredible debut thriller where the past can be changed to save the future.” —Don Winslow, #1 internationally bestselling authorA riveting speculative historical suspense debut told in alternating timelines that asks: Will the most powerful invention in history save the world—or destroy it?In the midst of World War Two, Enigma codebreaker Alan Turing finds himself on the brink of a discovery that will change the world: a way to send a m...

“An incredible debut thriller where the past can be changed to save the future.” —Don Winslow, #1 internationally bestselling authorA riveting speculative historical suspense debut told in alternating timelines that asks: Will the most powerful invention in history save the world—or destroy it?In the midst of World War Two, Enigma codebreaker Alan Turing finds himself on the brink of a discovery that will change the world: a way to send a m...

The follow-up to the bestselling novel The Turing Protocol**.**Nautilus is a machine with the astonishing power to send messages eight weeks back in time. Its users must follow a set of protocols established by its inventor, Alan Turing, including that it can only be used by a descendant of his family, and only to avert global disasters.But what would happen if it fell into the wrong hands? The machine is in the custody of Turing’s...