Attack on Titan has been collected into 22 tankbon books.
The series began in Kodansha 's Bessatsu Shnen Magazine on September 9 , 2009 , and has been collected into 22 tankbon volumes as of April 2017 .	Kodansha	Kodansha	Shnen	Shnen manga	Bessatsu Shnen Magazine	Bessatsu Shnen Magazine	tankbon	tankbon
