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Press and reviews

  • Interview

    Niceland interview: What they do and how they do it

    Includes advice on becoming an author I would give to a younger me ("Don't do it! Run for your life!") and why I wouldn't have listened. Read more →

  • Review

    The Bookbag reviews I am Traitor

    Sif Sigmarsdottir has done a sterling job of spinning a War of the Worlds tale recast with a young and female central character and a modern setting. Read more →

  • Review

    Page to Stage reviews I am Traitor

    Consistently exciting and surprising ... with a very fascinating cast of characters, from kick-ass teens to traitors. Read more →

  • Review

    Lair of a Book Dragon reviews I am Traitor

    [Sif] quickly became an author whom I'm going to keep my eyes out for... I couldn't put I am Traitor down at all. Read more →

  • Review

    Turn That Page reviews I am Traitor

    [A] story with impeccable plotting and emotional depth ... [Sif] definitely has a gift for realistic world-building, and I definitely look forward to whatever she may come up with. Read more →

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Sif Sigmarsdóttir

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"The queen of YA crime" - Eoin Colfer

I'm an author and journalist originally from Iceland, living in London. My book The Sharp Edge of a Snowflake is published by Hodder Children's Books. I'm represented by Sophie Hicks Agency.