The Straw Hats have been branded criminals for entering Skypiea without paying the toll!
Their only chance for a way out is a series of challenges given to them by Kami's vassals.
Meanwhile, Nico Robin makes an important discovery about the island.
Is there treasure hidden on Skypiea?
- Format: Paperback
- Pages: 200 pages, chiefly Illustrations
- Publisher: Viz Media, Subs. of Shogakukan Inc
- Publication Date: 04/02/2010
- Category: Manga
- ISBN: 9781421534435