Inspired by Elmore Leonard’s 10 Rules of Writing, our survey of established authors’ tips for successful authorship continues Hilary Mantel, Michael Moorcock, Michael Morpurgo, Andrew Motion, Joyce Carol Oates, Annie Proulx, Philip Pullman, Ian Rankin, Will Self, Helen Simpson, Zadie Smith, Colm Tóibín, Rose Tremain, Sarah Waters, Jeanette Winterson Hilary Mantel 1 Are you serious…