No and Me by delphine de vigan

Told with accurate precision of the view point of an extremely smart 13 year old girl, Lou, who after setting herself the task of producing a presentation on the homeless in france she meets a girl called No and slowly begins to feel empathy towards her, thinking of the pain she must be in shuffling from place to place. Her own home life is broken with a father who is trying his best to be just that and more as well as the sole provider and a mother who is locked herself within herself. No at first causes order by disorder undoing and awakening Lou and her family. Lou questions the morals of not only society but the world and soon finds out that somethings are just what they are and you can only try to change the world but better to have tried then to have not tried at all