Attack on Titan: Colossal Edition 4By: Hajime Isayama Series: Attack on Titan Colossal Edition Contains Vol. 16 20 of Attack on Titan in an extra large size, on premium quality paper! 16 and up. Attack on Titan: Colossal Edition 4 is an oversized collection of Vols. 16 20 of the Attack on Titan manga series. Weighing in at a massive 944 pages and a 7 inch by 10. 5 inch trim, Colossal Edition 4, like its predecessor last year, contains the same material as the original volumes, but