The Northern Line War has been over for many years, yet the mice of Tubeworld still refuse to travel and heal old wounds. All except one. Mitzie lives at Manor House, an ordinary station on the Piccadilly Line, but Mitzie is no ordinary mouse - she has a very special gift, to read the writing of the Tunnellers. Restless to explore, she begins a journey which proves to be far longer and more dangerous than she ever imagined. Follow her sand her friends as they search for the discovery that will change their lives forever.Suitable for ages 8 and above.