Yes, "The Girl with the Dragon Tattoo" is part of a trilogy known as the Millennium series, originally written by Swedish author Stieg Larsson. The trilogy includes three novels: "The Girl with the Dragon Tattoo," "The Girl Who Played with Fire," and "The Girl Who Kicked the Hornet's Nest." The series follows the characters Lisbeth Salander and journalist Mikael Blomkvist as they investigate various crimes and uncover deep-seated corruption. The novels have been adapted into films in both Swedish and English.

The 2009 "The Girl with the Dragon Tattoo" is a Swedish film directed by Niels Arden Oplev, based on Stieg Larsson's novel. It stars Noomi Rapace as Lisbeth Salander and Michael Nyqvist as Mikael Blomkvist, focusing on the investigation of a missing woman. The 2011 adaptation, directed by David Fincher, is an American version starring Rooney Mara and Daniel Craig. It features a darker tone, a more stylized aesthetic, and a different score by Trent Reznor and Atticus Ross. While both films follow the same plot, the 2011 version has a more polished production and a broader international appeal.

"The Girl with the Dragon Tattoo," written by Stieg Larsson, follows journalist Mikael Blomkvist and hacker Lisbeth Salander as they investigate the decades-old disappearance of a wealthy industrialist's niece, Harriet Vanger. Set in Sweden, the story unfolds against a backdrop of family secrets, corruption, and dark history. As Blomkvist and Salander delve deeper, they uncover disturbing truths about the Vanger family and societal issues, exploring themes of violence against women, morality, and the quest for justice. The novel combines elements of mystery, thriller, and social commentary.

"The Girl with the Dragon Tattoo," originally titled "Män som hatar kvinnor" in Swedish, is a fictional work by author Stieg Larsson. While it is not based on a true story, it incorporates themes of violence against women and the complexities of human relationships that resonate with real societal issues. Larsson drew inspiration from his own experiences and observations of societal injustices, but the characters and the specific plot are products of his imagination. The story is part of the Millennium series, blending crime, mystery, and psychological elements.