'A tense, terrifying read we couldn't put down' Cosmopolitan.
'A beguiling and successful debut' Evening Standard.
'A wealth of persuasive detail, obviously drawn from first hand experience' Marie Claire.
'The details of how MI5 conducts its business are fascinating ... Stella establishes a cracking pace and keeps you guessing right up until the end' Sunday Express.
'This is something rare: the spy novel that prizes authenticity over fabrication, that is true to the character and spirit of intelligence work' Mail on Sunday.