ISBN One Piece: Water Seven 37-38-39, Vol. 13 (Omnibus Edition)

As a child, Monkey D. Luffy dreamed of becoming King of the Pirates. But his life changed when he accidentally ate the Gum-Gum Fruit, an enchanted Devil Fruit that gave him the ability to stretch like rubber. Its only drawback? He’ll never be able to swim gain—a serious handicap for an aspiring sea dog! Years later, Luffy sets off on his quest to find the “One Piece,” said to be the greatest treasure in the world…_x000D_
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In Water Seven, a serious seafarer’s city and one of the last stops in Paradise, Luffy and his Straw Hat crew come up against competing sets of assassins, each seeking the plans for Pluton, one of the ancient world’s most powerful weapons! Newest Straw Hats member Nico Robin may have the blueprints, but she’s been spirited away on the speeding Sea Train...and may be on the run from the Straw Hats themselves!