The Jolley-Rogers and the monster's gold

When Matilda discovers a treasure map inside an old bottle, she shows it to the Jolley-Rogers and they all set sail to find the mysterious island on the map. Unfortunately, they end up in the belly of the dastardly Pirate Cruncher! Can Matilda and the rest of the Jolly-Rogers rescue themselves before it is too late? Or will they end up trapped there forever? Expect adventure, laughs, and perhaps an almighty sneeze.