As her novel Half of a Yellow Sun is hailed as the Women’s prize ‘winner of winners’, the Nigerian-born, US-based author talks about her relief over Joe Biden’s victory – and the bittersweet highs of a difficult year
Caroline Bird, whose book was inspired by the first year of a relationship, takes £10,000 honour for best collection alongside awards for Will Harris and Malika Booker
The Haunting of Alma Fielding joins five other books, whose subjects range from the Beatles to the brain, competing for the £50,000 prize for nonfiction