Question: The 3rd book by Dan Brown that features character Robert Langdon is set in what city?
Sentence (from "Robert Langdon (book series)"): Brown states on his website that his books are not anti-Christian, though he is on a 'constant spiritual journey' himself, and says that his book "The Da Vinci Code" is simply "an entertaining story that promotes spiritual discussion and debate" and suggests that the book may be used "as a positive catalyst for introspection and exploration of our faith."
Relevant evidence: No