The Question and Answer section for The Witches is a great resource to ask questions, find answers, and discuss the novel.
I think they have a list of things that make them dangerous:
They hate children and enjoy getting rid of them.
They have magic
They seem like normal ladies yet are really dangerous.
Luke's parents were killed when their car skidded off a road and into a ravine. According to Chapter One, Luke's grandmother knew all about witches because she was Norwegian, and Norway was where the first witches came from.
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