The first inklings of a book are always vague—a glimpse of a character, perhaps a landscape. You then must discover the narrative through writing, rather than plan it. This is (of course) a personal reflection, relating to my own experience in writing within the genres of literary fiction and literary non-fiction. But I think the following stages are fairly common among writers I’ve spoken to and have heard talking about their own work.
This is a companion discussion topic for the original entry at https://blog.granthika.co/writers-journey/