Daisy Simmons – twenty-four years old, the wife of a major in the Indian Army, mother of two children, ‘dark [and] adorably pretty’ – is an ephemeral presence in Virginia Woolf’s fourth novel, Mrs Dalloway (1925). Clarissa Dalloway’s former lover, Peter Walsh, has travelled to London from India to secure a divorce so that he might marry Daisy. From a mere handful of references, we are able to glean the wavering nature of Peter’s devotion to Daisy and his suspicion that she will, as Woolf writes, ‘look ordinary beside Clarissa’.

You can tell a lot about a piece of writing from how it begins. For American poet Billy Collins, ‘the first line is the DNA of the poem’. With novels, as J.M. Coetzee writes ...