Between 1968 and 1974 Ursula K. Le Guin published

• A Wizard of Earthsea • The Left Hand of Darkness • The Tombs of Atuan • The Lathe of Heaven • The Farthest Shore • The Disposessed

— along with a series of classic stories, including “Vaster than Empires and More Slow,” “Winter’s King,” and “The Ones Who Walk Away from Omelas.” That would be quite a literary career. She did it in six years.