Get an accountant, abstain from sex and similes, cut, rewrite, then cut and rewrite again – if all else fails, pray. Inspired by Elmore Leonard’s 10 Rules of Writing, we asked authors for their personal dos and don’ts Elmore Leonard, Diana Athill, Margaret Atwood, Roddy Doyle, Helen Dunmore, Geoff Dyer, Anne Enright, Richard Ford, Jonathan…