Five On Kirrin Island Again - The Famous Five (Book 6)

The Five and Mr Luffy are going to the countryside during term holidays. Near their campsite is a lovely farm from where they get the most delicious food but are also warned to not go looking for the spook-trains nearby. This creates further intrigue for the children and they decide to go exploring quietly. As per usual, they find themselves in a pickle. How will Mr Luffy cope with the children's spirit of adventure?