It was published after Dark Knight Rises came out, but you can still get it on Amazon (and I'm sure other places). It has the scripts for all 3 Nolan films.
https://www.amazon.com/Dark-Knight-Trilogy-Screenplays-Screenplay/dp/1623160014/ref=sr\_1\_1?dchild=1&keywords=dark+knight+trilogy+screenplay&qid=1630869938&sr=8-1