Dennis Joseph O'Neil (May 3, 1939 – June 11, 2020) was an American comic book writer and editor, principally for Marvel Comics and DC Comics from the 1960s through the 1990s, and Group Editor for the Batman family of titles until his retirement. His best-known works include Green Lantern/Green Arrow and Batman with Neal Adams. It was during this run that O'Neil co-created the Batman villains Ra's al Ghul and Talia
Robin: The Story of Dick Grayson
⭐ 6.2Robin's Requiem
⭐ 0Batman Unmasked: The Psychology of The Dark Knight
⭐ 7.5Legends of the Dark Knight: The History of Batman
⭐ 7Superman vs. Batman: When Heroes Collide
⭐ 6.7The Legends Behind the Comic Books
⭐ 0Comic Book Superheroes Unmasked
⭐ 7.3The Science of Superman
⭐ 6.2Look, Up in the Sky! The Amazing Story of Superman
⭐ 7.5Comic Books & Superheroes
⭐ 7Joker: Put on a Happy Face
⭐ 8.2The Fire Rises: The Creation and Impact of The Dark Knight Trilogy
⭐ 6.788Batman Year One: A Conversation with DC Comics
⭐ 0Heart of Vengeance: Returning Batman to His Roots
⭐ 6.3Secret Origin: The Story of DC Comics
⭐ 7Knight Immortal
⭐ 8.7