Library War: The Wings of Revolution (Japanese: 図書館戦争 革命のつばさ, Hepburn: Toshokan Sensō: Kakumei no Tsubasa) is a 2012 Japanese animated film adapting Library Revolution, the fourth and final volume of Library War light novel series by Hiro Arikawa, and a sequel to Library War (2008). Produced by Production I.G and distributed by Kadokawa Pictures, the film is directed by Takayuki Hamana from a script written by Kenji Konuta. The film follows the Library Defense Force protecting a novelist, who becomes the target of the Media Betterment Committee due to the resemblance of his book to a recent terror attack.