16 and up.Attack on Titan: Colossal Edition 3is an oversized collection of Vols. 11-15 of theAttack on Titanmanga series. Weighing in at a massive 944 pages and a 7-inch by 10.5-inch trim, Colossal Edition 3, like its predecessor last year, contains the same material as the original volumes, but bigger and on higher-quality paper.