Being Miss Nobody - Tamsin Winter, Usborne Publishing

... I am Miss Nobody.Rosalind hates her new secondary school. She's the weird girl who doesn't talk. The Mute-ant. And it's easy to pick on someone who can't fight back. So Rosalind starts a blog - Miss Nobody, a place to speak up, a place where she has a voice. But there's a problem...Is Miss Nobody becoming a bully herself?