Reviews

  • A masterpiece of a thriller. Brutal, gripping, intelligent. It left me breathless.

    Liza Marklund
  • Breathtaking and terrific...Knock Knock is one of the best crime novels this reviewer has read in a very long time.

    Jyllands-Posten
  • One of this year’s very best crime novels, that will keep even the most well-read and quality-conscious crime readers in a breathtaking iron grip from beginning to end.

    DBC, Denmark
  • An edge of your seat thriller about revenge and treachery during three fateful days.

    Vi Läser, Sweden
  • With a novel like this in your hands the desire to read becomes extraordinary; everything else turns into distractions that keep you from lustfully devouring the next page.

    Mariestads-Tidningen, Sweden

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