Attack on Titan is a Japanese manga series written and illustrated by Hajime Isayama. Set in a world where humanity lives inside cities surrounded by enormous walls due to the Titans, gigantic humanoid creatures who devour humans seemingly without reason, the story centers around Eren Yaeger, his childhood friends, Mikasa Ackerman and Armin Arlert, whose lives are changed forever after the appearance of a Colossus Titan brings about the destruction of their home town and the death of Eren's mother. Vowing revenge and to reclaim the world from the Titans, Eren, Mikasa and Armin join the Survey Corps, an elite group of soldiers who fight Titans outside the walls. The series began serialization in Kodansha's monthly publication Bessatsu Shōnen Magazine in its September 2009 issue. The first tankōbon volume was released in March 2010, and as of April 2020, thirty-one volumes have been released. In North America, the series is published in English by Kodansha USA, that first published the first volume on June 19, 2012, with a three- or four-month interval between each release until mid 2013, when subsequent volumes started being released on a monthly basis to catch up faster with the original Japanese releases. The series has also been adapted into an anime by Production I.G's Wit Studio, with the first episode airing on April 7, 2013, on MBS. The anime is also being streamed by both Funimation and Crunchyroll on their respective websites.
Manga
''Attack on Titan''
Chapters in the Kodansha USA publications are numbered as episodes.
Attack on Titan: Junior High is a parody manga written and illustrated by Saki Nakagawa, serialized in Bessatsu Shōnen Magazine since its May 2012 issue. The first tankōbon volume was released April 9, 2013, and the eleventh and last was released on August 9, 2016. In North America, the series has been licensed in English by Kodansha USA, who published the first volume on March 11, 2014 and the fifth and last on July 31, 2018.
''Before the Fall''
Attack on Titan: Before the Fall is a spinoff manga illustrated by Satoshi Shiki, based on the prequel light novel series of the same name written by Ryō Suzukaze. The series has been serialized in Monthly Shōnen Sirius from August 26, 2013 to March 26, 2019 and was collected in seventeen volumes. The first tankōbon volume was released on December 9, 2013 and the last on April 9, 2019. In North America, the series has been licensed in English by Kodansha USA, who published the first volume on March 11, 2014.
''No Regrets''
is a spinoff manga written by Gun Snark and illustrated by Hikaru Suruga, serialized in the Aria magazine from its start in the November 28, 2013 issue to June 28, 2014. The manga is an adaptation of the visual novel of the same name. It focuses on the origin story of Levi, before he was a part of the Survey Corps Special Operations Squad. In North America, the series has been licensed in English by Kodansha USA, which released both volumes in 2014.
''Spoof on Titan''
is a comedic yonkoma manga written and illustrated by hounori, released on Kodansha's "Manga Box" smartphone and tablet application from December 2013 to December 30, 2014, in both Japanese and English. The first tankōbon was published on August 8, 2014, and the second on April 9, 2015.
''Lost Girls''
A manga adaptation by Ryōsuke Fuji of the light novel of the same name, that began serialization in Kodansha's shōnen manga magazine Bessatsu Shōnen Magazine on August 9, 2015. The series ended in the June 2016 issue of the magazine on May 9, 2016. In North America, the series has been licensed in English by Kodansha USA, which released the volumes in 2016 and 2017.
Novels
''Before the Fall''
is a light novel written by Ryō Suzukaze and illustrated by Thores Shibamoto. It initially follows the story of Angel, the blacksmith who develops the first prototypes of the Vertical Maneuvering Equipment, before focusing on a young man who was found as a baby in the stomach of a Titan. Three volumes of Before the Fall were published between December 2, 2011, and June 29, 2012. Vertical licensed the light novels in October 2013 for distribution in English.
''Harsh Mistress of the City''
is written by Ryō Kawakami and illustrated by Range Murata. It depicts the aftermath of the fall of Wall Maria first shown at the beginning of the manga. The first volume was published on August 1, 2014 and the second and last on May 1, 2015. Vertical released both volumes in English in 2015.
''Lost Girls''
is written by Hiroshi Seko. It comprises three short stories featuring Mikasa Ackerman and Annie Leonhart, titled "Lost in the cruel world", "Wall Sina, Goodbye". It was published in Japan on December 9, 2014, and in North America on June 28, 2016 by Vertical.
''Garrison Girl''
Garrison Girl: An Attack on Titan Novel was written by an American writer Rachel Aaron and published by Quirk Books on August 7, 2018. It is centered on Rosalie Dumarque, who defies her family to join military garrison.
