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...

‘An incredible debut’ DON WINSLOW, New York Times bestselling author of The Cartel ‘The Time Machine meets The Da Vinci Code’ CHRIS HAMMER, internationally bestselling author of Scrublands Humanity's best kept secret may be its best hope for survival. In the midst of World War Two...

“An incredible debut thriller where the past can be changed to save the future.” —Don Winslow, #1 internationally bestselling author A riveting speculative historical suspense debut told in alternating timelines that asks: Will the most powerful invention in history save the world—or...

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...

The second novel from the author of gripping historical thriller, The Turing Protocol. PRAISE FOR THE TURING PROTOCOL: ‘An incredible debut’ DON WINSLOW, New York Times bestselling author of The Cartel ‘The Time Machine meets The Da Vinci Code’ CHRIS HAMMER, internationally bestselling...