She bids to join the ranks of such secret-agent authors as Somerset Maugham, Graham Greene and John le Carré

Wall Street Journal

A wealth of persuasive detail, obviously drawn from first-hand experience

Marie Claire

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

For a pacy page-turner, she's a safe bet . . . Rimington is particularly strong in her accounts of procedure, unsurprisingly, given her past role as Head of MI5

Independent

Faster than Le Carré, she creates the same sense of real characters struggling with real problems

John Sandford

Liz Carlyle is an MI5 agent with the traditional thriller-heroine mix of dysfunctional personal life and steely ambition

Daily Telegraph