Nick Croydon

If you had the power to change history, would you dare? For readers of Dan Brown, Matthew Reilly, and Fiona McIntosh, The Turing Protocol blends historical fact with fiction to tell the extraordinary story of a machine that allows the user to send messages to the past - and may just save the future. In the midst of World War...

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...

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...