Before revision: Universe vs. setting A famous example of a detailed fictional universe is Arda (more popularly known as Middle-earth), of J. R. R. Tolkien's books The Lord of the Rings, The Hobbit, and The Silmarillion.
After revision: A famous example of a detailed fictional universe is Arda (more popularly known as Middle-earth), of J. R. R. Tolkien's books The Lord of the Rings, The Hobbit, and The Silmarillion.