The Tobermory Training Ship

Ben and Fee are twins and have grown up on a submarine. Now almost thirteen years old, they will go to a school of the m original: a training ship called Tobermory, near the Scottish island of MULL, in which hay students from all over the world to learn to sail. As soon m as las classes begin, a film crew arrives in MULL and invites Ben to ser extra in the film they are going to make. At first it seems algo exciting, but soon he and his friends will start noticing strange things.