Well, well, well, isn't that amazing: there will be a "Girl With the Dragon Tattoo" book. You're thinking: isn't the author dead? Never stopped V. C. Andrews. Hollywood Reporter says:

They have an opening scene and the last chapter? Filling it in should be easy. Lots of hacking and a few scenes of Lisbeth Sanders (weight: 93 lbs) beating up beefy thugs, a nasty crime that turns into a conspiracy that goes right to the top of some key Swedish industry, and you're set.