The manga had been serialized in the weekly Shonen Magazine in Japan, and being released in different volumes not only in Japan, but also in other countries like:-

1. French - France and other French-speaking countries like Canada.
2. Malay - Malaysia, Singapore and Brunei.
3. Thai - Thailand and Malaysia.
4. Korean - South Korea.
5. Chinese - China, Taiwan, Singapore and Malaysia.
6. English - United States and Canada.
7. German - For all German-speaking audience.

GTO Editorial board!
This list is no means to be permanent, as usually they also work with other mangas serialized in the weekly Shonen Magazine, like Get Backers, Love Hina and Rave.

(as of volume 24)
Chihiro Fujikoma, Yoko Yoshihara, Taro Kondo, Aki Kato, Michael Yoshida, Akami Nakano, Manami Takenuki, Yuka Omori.

Idea support: S.K. Produce.

Editor: Toshihiro Miura, Kiichiro Sugawara, Chyonghyon Paku.

Comic Editor-in chief: Shinobu Nozawa.

Manga Summaries:-

Go to this page for full chapter list of the manga summaries.