It was a good thriller/mystery; but there was quite a lot of violence/disgusting stuff. :| 
 (view spoiler)[ 
 Vanger('s family) owned the local newspaper and his life's mission was to solve the mystery of Harriet's disappearance. 
 Even after the research by him and numerous investigators for years,it took Blomkvitz to locate the photograph of Anita Vanger in the newspaper's archive. 
 That was a little unbelievable. 
 (hide spoiler)]