In the deep silence of the vast Russian pine forest, a small, lonesome figure was walking. It was just a few years before the outbreak of the Second World War. She had set out alone, without the permission of her parents, carrying only enough food to keep her on her feet for the long march. She was used to walking. Every day for years she had walked eight miles to and from her school in the little village closest to her home; she knew she could do it. Her self-belief and determined spirit...