Despite being the third movie, Inferno is actually the fourth book in author Dan Brown’s series.
Ron Howard decided to skip the third book, The Lost Symbol, because the story felt too familiar.
Talking to Entertainment Weekly, Howard revealed his thought process behind why Inferno was the right choice for the next movie.
That’s what director Ron Howard knew when he began thinking about adapting another of Dan Brown’s novels centered on Harvard symbologist Robert Langdon and his impeccable nose for religion-themed mysteries.