Attack on Titan INSIDE and OUTSIDE, 2-volume set. I read it once after purchasing it new. The "Attack" volume is a first edition. - Title: Attack on Titan INSIDE - Title: Attack on Titan OUTSIDE - Author: Hajime Isayama - ISBN: 978-4-063-76783-2 - ISBN: 978-4-063-76761-9 - Volumes: 2-volume set Thank you for looking.