One Piece (3-in-1 Edition) Volume 11-15 Collection 5 Books Set With Gift Journal

One Piece (3-in-1 Edition) Volume 11 (One Piece (Omnibus Edition)):
The sky island of Skypiea is in danger of complete eradication if its maniacal leader Kami Eneru has his way. Luffy and his Straw Hat Crew entered the territory seeking a city of gold, but once the team befriends some citizens and learns the local lore, their mission turns personal.

One Piece (3-in-1 Edition) Volume 12 (One Piece (Omnibus Edition)):
Against all odds, Luffy and his Straw Hat crew make landfall on Water Seven, a wacky maritime wonderland where the world's best (and worst) shipwrights gather. When the pirates learn that their trusty vessel, the "Merry Go," has sustained irreparable damage, the decision about what to do next rends the crew apart!

One Piece: Water Seven (3-in-1 Edition), Vol. 13 (One Piece (Omnibus Edition)):
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!

One Piece (3-in-1 Edition) Volume 14: 40, 41, 42 (One Piece (Omnibus Edition)):
Tower of Power Inside the perilous sea gates of the so-called Judicial Island, members of Luffy's crew are imprisoned in the Tower of Justice, due to stand trial in a highly biased court full of World Government warmongers. Luffy's quest to save his friends seems doomed until he joins forces with a powerful consortium of shipwrights and street fighters.

One Piece (Omnibus Edition), Vol. 15:
Includes Vols. 43, 44 & 45 Luffy and his Straw Hat crew duke it out with CP9, a band of dastardly World Government goons headquartered on the island of Enies Lobby. CP9's goal? Abducting Nico Robin, the Straw Hats' newest crew member, in order to activate an ancient weapon called Pluton.