C S Lewis &amp; J R R Tolkien were great friends and members of a writing group called the Inklings -- Great article about how their friendship influenced their books, &quot;The Real Fellowship of the Ring - How JRR Tolkien &amp; C.S. Lewis all night arguments about God paved the way for The Lord of the Rings &amp; The Chronicles of Narnia.&quot; http://www.salon.com/2003/12/03/tolkien_lewis/