Vol. 23, Vivi's AdventureGraphic Novel - 2009 | Shonen Jump manga ed.
"With all the Officer Agents defeated, only Crocodile and his final plan to destroy the palace stands in the way of peace. While Luffy battles it out with the evil Croc in the royal tombs, Vivi and the rest of the Straw Hats have to find the bomb before it blows up the capital--with everyone in it!"--Cover.