Kingdom Keepers VI: Dark Passage

Kingdom Keepers V1: Dark Passage (or simply called "Dark Passage') is the 6th book inside the Kingdom Keepers series. Expected to be released in April of 2013, KK6: Dark Passage finds the Kingdom Keepers as they continue aboard the inaugural voyage of the Disney Cruise Line ship. The Kingdom Keepers discover that Maleficent and the Overtakers are plotting a catastrophic event that could have repercussions far beyond the world of Disney. Aboard the ship, the Keepers and their holograms uncover a puzzle hidden within the pages of a stolen journal. A destructive force is about to be unleashed — and the Kingdom Keepers will become its first victims.

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http://www.stitchkingdom.com/disney-kingdom-keepers-6-cover-21633/