With sparse prose and skilful deployment of magical realism, }Harry & Hope{ author Sarah Lean tells the story of Cally's silence when no one believes her about the visions of her dead mother, accompanied by a grey wolfhound who now follows her everywhere and could be the link to solving the mystery My name is Cally Louise Fisher and I haven't spoken for thirty-one days. Talking doesn’t always make things happen, however much you want them to.