Gone Girl
Why it's similar
Gone Girl shares The Girl with the Dragon Tattoo's obsession with the gap between public image and private reality. Both novels use dual timelines to slowly reveal that everything you assumed about a central relationship was wrong. Flynn's prose has a razor edge that matches Larsson's willingness to go dark, and both books center on women who refuse to be victims in the way society expects. The structural similarities run deep. Larsson gave us a journalist and a hacker piecing together a family's buried crimes.
Flynn gives us a husband and wife whose marriage becomes a crime scene. Both authors let you think you know who the villain is, then pull the rug. If you liked how Larsson weaponized the mystery format to say something sharp about gender and power, Flynn does the same thing in a suburban American setting. Readers who want that same sick-to-your-stomach twist will find it here.