Kathryn Erskine

Goth girl Matt lives her life by simple rules: Stay under the radar, never go by Matilda (only Matt), and don?t let anyone get too close. But everything changes when she moves in with a peaceful Quaker family in Pennsylvania. As the country fights a war in the Middle East, Matt fights her own personal war, battling …

Mockingbird is a young adult novel by American author Kathryn Erskine about a girl with Asperger syndrome coping with the loss of her brother. It won the 2010 U.S. National Book Award for Young People's Literature.