Good read

This is the fourth book in a trilogy...doesn't make sense?

After the death of the author of the popular "Girl with the dragon tattoo" series another author has chosen to continue the story. I was sceptical as I thought it couldn't be done well, but was pleasantly surprised and enjoyed the read. The last novel I read "see how small" was too hard for me, I have no idea what it was about. I also read the tidying up book since Christmas.