| Both the movie and the book are excellent.
 A lot of people were turned off the movie by the prospect of the violence.  All I can say is that it isn't really about the violence per se.
 
 I also thought the movie was one of the best adaptations of a book I have ever seen.
 
 ...as for the ending... the end of the book is very clear.  He is in an institution and the bombs didn't go off...
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