All authors, especially Independent Authors (Indie Authors), seek to promote their work for maximum exposure. They have mastered the craft of writing, but they are not confident in their marketing. Budgets for new writers are dismal; they do not lend themselves to aggressive advertising. Traditionally, Indie Authors rely on word-of mouth, which is still the most effective marketing tool, but it is agonizingly slow, and Reader Reviews which can also be slow to materialize.
Now think about Human Nature. People are visual creatures. They want to SEE the story.
Read more via Memes: A Novel Way to Market Your Novel