Eiichirō Oda

While the merfolk's kingdom is under attack by the humans, Luffy escapes the castle on Fish-Man Island with the princess and they head to the Fort of the Sea.

"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 p. [4].

Luffy and the Straw Hats must put their lives in the hands of a known liar who is the only one who can get them to the island in the sky.

"Hankering for a fight, Luffy's got a jump start on the battle to rescue Robin and Franky before they're sentenced by the Navy's court at Enies Lobby. Now that the Straw Hats and the Franky Family have banded together, the World Government is in for an epic battle. But did the Navy deceive Robin into sacrificing herself in order to trap the Straw Hats?!" --back cover

"Robin and Franky have been captured by CP9 and locked in the courthouse on Enies Lobby. The Straw Hats and Franky's crew must join forces if they want to save their friends. But before they can rescue them, they must face Spandam's six deadly assassins. Can the two groups work together, or will CP9 finally win?" --publisher's website

After Robin leaves the crew, the Straw Hats uncover the real motive behind the actions of the CP9 assassins and try to stop them from using the most destructive weapon of the ancient world.