Give Yourself Goosebumps Ship Of Ghoul Book 36

You're on a two week cruise to Japan with a friend of yours and no parents. Party! If you can survive the deadliest cruise forever. A man on the board claims that the ship is really a laboratory for evil experiments. Experiments that turn passengers into gross fish creatures. Now the man is planning to blow the ship! Should you warn the captain or hit the water? If you stay on the board, you will be turned into a giant shrimp. If you jump overboard, will you be able to survive the killer sharks?