Kit's Wilderness. David Almond

Kit has just moved to Stoneygate with his family, to live with his ageing grandfather who is gradually succumbing to Alzheimer''s Disease. Stoneygate is an insular place, scarred by its mining history - by the danger and death it has brought them. Where the coal mine used to be there is now a wilderness.
Here Kit meets Askew, a surly and threatening figure who masterminds the game called Death, a frightening ritual of hypnotism; and Kit makes friends with Allie, the clever school troublemak...