4 books in series

Attack on Titan: Junior High Omnibus

Attack on Titan: Junior High Omnibus is a 4-book series with 4 released primary works first released in 2014 with contributions by Saki Nakagawa and Hajime Isayama.

Attack on Titan: Junior High Omnibus, Vol. 1
Attack on Titan: Junior High Omnibus, Vol. 2
Attack on Titan: Junior High Omnibus, Vol. 3
Attack on Titan: Junior High Omnibus, Vol. 4