The manuscripts of literary works-in-progress fascinate on many levels, from the flush-faced thrill of spying on something intensely private and the visceral delight of knowing that a legendary author’s hand rested on the paper before you, to the light that such early drafts shed on authorial methodology and intent. Sometimes, the very essence of what a writer is trying to express seems to hover tantalisingly in the gap between a word deleted and another added in its place. – BBC