The Weirdstone of Brisingamen is a fantasy story for children (but also enjoyed by adults) by the author
Alan Garner. It is set in the
Wirral[?] of
Cheshire[?] and relates the tale of two children, Colin and Susan, holidaying there. The story centres around Susan's necklace (containing the Weirdstone of the title) which makes the children a target for the forces of evil. The novel borrows extensively from
Celtic,
Norse and
Arthurian legends.