• "A heartbreaking tale of descent into despair and darkness that serves as a totem for what great crime writing can achieve"

    Declan Burke, Irish Times
  • "Magnificent"

    Financial Times
  • "By the time you get to the end, you'll be wanting another. But it would be hard to beat this tale of murder and loss which leads back to the heart of the cold war"

    Daily Mirror
  • "A plot as twisted and exciting as any Le Carre thriller"

    Daily Mail
  • "It's a fine finale for the fretful policeman and it's hard not to feel you'll miss the old bugger"

    Siobhan Murphy, Metro