题目内容：
A Book Review — The Snake Stone by Berlie Doherty
The setting: Urban England (the cities), but also rural England (the countryside) including remote English villages.
The theme: The main theme is a teenage search of self discovery, in this case the search for a mother from whom the hero was separated at an early age. Its other concerns are love, getting on with others ，being persistent and courageous and trying to deal with doubts, troubles and worries. As the book moves to a close, James. swimming coach says to him: ‘You are not like a kid obeying instructions any more. You are diving like a young man who knows where he is going.’
The characters: James is the hero of the story. He is a championship diver, and has a comfortable life with his foster parents(养父母)．Yet he also has the qualities to take him on a long journey to find his birth mother. The other characters in The Snake Stone, James. parents, his diving instructor, best friend, the villagers, people he meets on his journey, are pictured realistically.
The turning point：The turning point in the story comes while James. foster parents are away in London, and he wonders about the identity of his birth mother. The only clue he has is a fossil, ‘the snake stone’ which she left behind along with a note on which she had written，‘Take good care of Sammie.’ It was written on a torn envelope with parts of an a
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