I have heard that Stieg Larsson's The Girl with the Dragon Tattoo is one of the bestselling Swedish novels of all time. The film it was adapted into is the top-grossing movie from that country -- ever.
And I do not understand what all the fuss is about.
It's impossible to draw conclusions about a movie's source material based on the film made from it, but in all honesty The Girl with the Dragon Tattoo barely qualifies as a movie at all. It's more of a compressed miniseries vomited onto the big screen, an experience that feels like it has had some critical information cut out of it rather haphazardly.