V for Vendetta has genre Science Fiction. Science Fiction has examples: The Concrete BlondeThe Concrete Blonde has genre Suspense
[Human]: Could you recommend any books similar to V for Vendetta? [Assistant]: V for Vendetta has genre Science Fiction. The Concrete Blonde or The City Of Ember are all Science Fictions. Do you want to hear more examples? [Human]: Yes, please. I also love suspense, like the Concrete Blonde. 
If you like suspense, you might want to check out The Da Vinci Code by Dan Brown. It has a similar genre to The Concrete Blonde.