[Tolkien, author of The Hobbit and Lord of the Rings, was one of the "Inklings," a group of friends who met weekly in Lewis's rooms to discuss literature and to read works-in-progress to each other. During the few years of its existence, the group included Lewis, Tolkien, Charles Williams, Owen Barfield, W. H. Lewis, and several other noteworthy regulars. Tolkien, a man of strict and very conservative literary standards, frequently disliked Lewis's imaginative works. But in the f...