Original sentence: Some of her books deal with mental disability, including The Alfred Summer (1980) Lester's Turn (1981) (both of which feature the voice of a child afflicted by cerebral palsy} and Risk n' Roses (1990)
Edited sentence: Some of her books deal with mental disability, including The Alfred Summer (1980) Lester's Turn (1981) (both of which feature the voice of a child afflicted by cerebral palsy) and Risk n' Roses (1990)