The Girl with the Dragon Tattoo (Millennium #1)

Mikael Blomkvist, a once-respected financial journalist, watches his professional life rapidly crumble around him. Prospects appear bleak until an unexpected (and unsettling) offer to resurrect his name is extended by an old-school titan of Swedish industry. The catch—and there's always a catch—is that Blomkvist must first spend a year researching a mysterious disappearance that has remained unsolved for nearly four decades. With few other options, he accepts and enlists the help of investigator Lisbeth Salander, a misunderstood genius with a cache of authority issues. Little is as it seems in Larsson's novel, but there is at least one constant: you really don't want to mess with the girl with the dragon tattoo.