We need to write a concise, factual, SEO-friendly HTML article about "Christopher Nolan Films Based On Books". Should be 600-900 words. Use only h2, h3, p, ul, ol, li, strong, em tags. Avoid markdown fences. Use context provided, but not too many. Provide headings natural. Avoid unsupported claims. Provide safe HTML only. Let's produce 650-800 words. Use headings: Introduction, Overview of Nolan's Book Adaptations, Detailed Look at Each Film, Analysis of Faithfulness, Conclusion. Need to mention specific books: "The Prestige" maybe? Actually "The Prestige" is original. Nolan hasn't many book-based films: "The Dark Knight" not book. "Inception" not book. "Interstellar" not book. "Memento" not book. "The Dark Knight Rises" not book. "The Prestige" original. "Following" original. "Batman Begins" not book. But "Dunkirk" is a historical event, not book. However there is "The Dark Knight" adaptation of DC. Not book. But "The Dark Knight" is based on comic. But not a book? But there is "The Dark Knight" film adaptation of "Batman" comics. But there is "The Dark Knight Rises" adaptation of comics. But the question: "Christopher Nolan Films Based On Books". Which films are based on books? Some may be: "The Prestige" is based on "The Prestige" by Christopher Priest? Actually it's original. "The Dark Knight" is based on Batman comics. But there is "The Dark Knight Rises" again. But maybe "Interstellar" not. But "The Dark Knight" is based on a comic book, not a novel. But "The Dark Knight" is a film adaptation of a comic series. However the question says "Based On Books". Could refer to books like "The Prestige" not book. Wait, maybe "The Dark Knight" is adaptation of the Batman comic book series, which is a book series. Also "The Dark Knight" and "The Dark Knight Rises" are based on DC comics. But not novel. Also "Memento" is original. But there is "The Dark Knight" adaptation of "Batman: The Dark Knight" maybe not. But we can talk about "The Dark Knight" adaptation of "Batman" comics. Also "The Prestige" is not based on a book. However there is "The Dark Knight Rises" adaptation of "Batman: The Dark Knight Rises". Also "The Dark Knight" is adaptation of "Batman: The Dark Knight". But maybe we can talk about "The Dark Knight" adaptation of "Batman: The Dark Knight" comics. Also "Inception" not. But we can include "Dunkirk" is a historical film not book. But there is "The Dark Knight" adaptation of "Batman" comics. But maybe there is "The Dark Knight" adaptation of "Batman: The Dark Knight". But I think we need to mention that Nolan's films are largely original, but there are a few based on books: "The Dark Knight" adaptation of DC comics, "The Prestige" maybe based on a novel? Wait, there is a novel "The Prestige" by Christopher Priest? Actually "The Prestige" is a 2004 novel by Christopher Priest, but Nolan's film is based on that novel? Let's check: The film "The Prestige" is based on a play? Wait, no. The film is based on a 2004 novel by Christopher Priest called "The Prestige". Yes, the film was inspired by that book. So we can mention that. Also "The Dark Knight" is based on the Batman comic book series, which is a collection of comic books. Also "The Dark Knight Rises" is also adaptation of a comic. Also "Inception" not. Also "Interstellar" not. Also "Memento" not. But we can mention "The Dark Knight" as adaptation of "Batman: The Dark Knight" but not a novel. But we can also mention "The Dark Knight Rises" adaptation of "Batman: The Dark Knight Rises". Also "The Dark Knight" is adaptation of "Batman: The Dark Knight" but not a novel. Also "The Dark Knight" is adaptation of the "Batman" franchise. But perhaps the question