Harry Potter‘s Emma Watson will lead lit adaptation Your Voice In My Head, adapted from Emma Forrest’s NY Times bestseller about a young bipolar Englishwoman living in New York. Francesca Gregorini (Emanuel and the Truth About Fishes) is set to direct from Forrest’s Black List script. Alison Owen and Benaroya Pictures‘ Michael Benaroya are producing. International Film Trust is repping international sales and made the announcement today out of Toronto. CAA is repping domestic rights. Watson’s repped by WME and Markham Froggat Irwin in the UK. Gregorini is represented by CAA, The Schiff Company and Bloom Hergott. Forrest is repped by CAA and Casarotto Ramsay & Associates in the UK.