Peter Swanson is back – with a chilling and fiendish puzzle of novel, the crime novel everyone will be talking about…

‘Deliciously ingenious.’ –Daily Mail
‘Keeps you guessing right to the end.’ – PETER MAY

‘Smartly entertaining.’ –Washington Post


‘So beautifully written, so gripping, so perfect.’ – SOPHIE HANNAH

If you’re on the list you’re marked for death.

The envelope is unremarkable. There is no return address. It contains a single, folded, sheet of white paper.
The envelope drops through the mail slot like any other piece of post. But for the nine complete strangers who receive it – each of them recognising just one name, their own, on the enclosed list – it will be the most life altering letter they ever receive. It could also be the last, as one by one, they start to meet their end.


But why?