Despite the growth in the ranks of J.R.R. Tolkien enthusiasts since the “Lord of the Rings” films put his fantasy world of Middle-earth on screen, Tolkien’s most avid admirers still risk being labeled geeks. But wearing elf ears or not, they are a force to be reckoned with. “The Lord of the Rings” has sold 200 million copies in 39 languages. The movies based on the novel broke box-office records. And while Tolkien, the Oxford don who created “Rings,” “The Hobbit” and “The Silmarillion,” died in 1973, this year will be another big one for him. [More]