What politically themed fiction book, would you like seeing get filmed?

Irrespective whether you've loved all 3 Purge films made so far, or you hated The Purge : EY film, what highly compelling, violent, politically themed fiction thriller book/s, video game/s and/or comic/s, you've read (with similar themes and characters to those in the TP: EY film), do you want to see get film adapted.

Please elaborate on why you think it'd make for compelling reading and similarly compelling viewing.