Matt Haig is astounding
- Stephen Fry,
A highly original page-turner
Independent on Sunday
A brilliant story that you'll want to read in one sitting
The Sun on Sunday
An exciting SF thriller but also a rich and deeply felt exploration of the line that separates humans – creatures of love, passion, fear and hate – from mere organic simulations
- Anthony McGowan, Guardian
It’s a treat to read such a satisfying, complex work
Financial Times