To mark the bi-centenary of the publication of Mary Shelley's Frankenstein, three leading prize-winning writers talk about the early novelists who changed the world and created the novel as a story form.

Lyndall Gordon, author of Outsiders: Five Women Writers Who Changed The World, is a leading biographer; Fiona Sampson, author of In Search of Mary Shelley, is a poet and writer and was awarded an MBE for services to literature, and Paula Byrne, author of The Genius of Jane Austen, is an author and biographer and founder of ReLit the charity for literature and mental health.