Gillian Cross was born Gillian Arnold in 1945. She was educated at North London Collegiate School, Somerville College, Oxford and the University of Sussex. Although now a full-time writer who often travels and gives talks in connection with her work, she has had a number of informal jobs including being an assistant to a Member of Parliament. For eight years she also sat on the committee which advises ministers about public libraries. She is married to Martin Cross and they have four grown-up children, two sons and two daughters.