Smythe's novel
The Machine was nominated for
The Kitschies Red Tentacle Award in 2013, and
The Testimony was named Wales Fiction Book of the Year in 2013. Smythe has also written for the video game
Bloodforge, and as a television screenwriter. He has written episodes of the historical drama
The Last Kingdom, and crime dramas
Vigil and
All Her Fault. On 16 April 2026, the BBC announced they would produce Smythe's original science fiction series,
Sutherland, starring
Gugu Mbatha-Raw. Set in the titular region of Scotland, the six-part series deals with UK space travel in the near future. == Bibliography ==