How many one piece books will there be?

The number of One Piece books is not yet known, as the manga is still ongoing and there is no definite end in sight. Eiichiro Oda, the creator of One Piece, has stated that he wants to continue the series for as long as possible, so it is possible that there could be over 100 volumes in total. Currently, there are 104 volumes in the One Piece manga, with new volumes being released every few months.