The Book of Lost Tales, Part One

The Book of Lost Tales was the first major work of imagination by J.R.R. Tolkien, begun in 1916-17 when he was twenty-five years old and left incomplete several years later. It stands at the beginning of the entire conception of Middle-earth and Valinor, for these tales were the first form of the myths and legends that came to be called The Silmarillion. Embedded in English legend, they are set in the narrative frame of a great westward voyage over the Ocean by a mariner named Eriol (or AElfwine