'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?