"The Wildcats Crew" is a highly popular Japanese picture book series that has sold over 2.5 million copies, and this 10th installment celebrates the series' 10th anniversary.
The Wildcats Crew really want to go on a cruise, meow~ Using ropes, they sneakily follow behind the big cruise. Taking advantage of everyone sleeping in the middle of the night, the Wildcats Crew sneaks aboard the ship and happily enjoys the cruise. But then, a group of unknown creatures follows the ropes left behind by them and climbs aboard the cruise too! "Squeak~ We have taken over this cruise." They are pirates! Now, what will the Wildcat Crew do?
