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Skye Witherdale lives in the sleepy town of Midsomer Norton for her summer work experience at the local charity shop, selling old books and other unusual trinkets. It's a rather dull job as there are no customers, due to the fact that no one reads books anymore.

But one day, she finds a mysterious book entitled 'confessions of a serial killer', describing various grisly and yet creative murders, written by someone with the same name as her. It could have just been a coincidence, except for the fact that every murder described in the book seems to happen to the people around her.

Who is this mysterious author, and why are they using her name?