Eiichiro Oda
Written and illustrated by Eiichiro Oda, "One Piece" has been serialized in the manga anthology "Weekly Shōnen Jump" since July 22, 1997. The chapters have been collected into "tankōbon" volumes by Shueisha since December 24, 1997. , 994 chapters have been collected in 98 "tankōbon" volumes, with 14 more chapters not yet published in volume format.