The birth of modern fantasy in 1930s Britain and America saw the development of new literary and film genres. J.R.R. Tolkien created modern fantasy with The Lord of the Rings, set in a fictional world based upon his life in the early 20th-century British Empire, and his love of language and medieval literature. In small-town Texas, Robert E. Howard pounded out his own fantasy realm in his Conan stories, published serially in the ephemeral pulp magazines he loved. Jerry Siegel created Superman with Joe Shuster, and laid the foundation for perhaps the post far-reaching fantasy worlds: the...