Stig Larsson, author of the Millennium trilogy, became the first writer to sell 1 million e-books in 2010.

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He had no idea that The Girl with the Dragon Tattoo and its two sequels (known as The Millennium Trilogy) would become some of the best-selling books ever.

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Recent years have seen an upsurge in international interest in gloomy, gritty, Scandinavian crime fiction such as the Wallander series, Stieg Larsson's Millennium trilogy or the Danish TV series The Killing.

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The director interprets the success of Larsson's Millennium trilogy as a possible byproduct of globalization.

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