Unbreakable -: An Autobiography

In the book, Mary reflects on her journey to becoming one of the best women boxers in the world. Born to parents who were landless agricultural laborers in Manipur in North East India, she was immensely inspired by the Manipuri boxer Dingko Singh's success story. She had started with her training under the Manipur state boxing coach at Imphal. With a childhood of hard labor and a strong background of athleticism, Mary was physically ready for the arduous training sessions and the difficult journey ahead of her. She trained relentlessly with only one dream to rescue her family from the dredges of poverty and a miserable life.