This photograph shows the Nigerian author Chimamanda Ngozi Adichie, whose works include Purple hibiscus (2004), Half of a yellow sun (2006) and Americanah (2013). Half of a yellow sun, which deals with the Nigerian Civil War (Biafran War) of 1967-70 was judged ‘Best of the Best’ of the winners of the second decade of the Women’s Prize for Fiction. Adichie has won numerous other prizes and is widely considered to be one of Africa’s greatest living writers.