Boston / Cambridge: Houghton Mifflin Company / The Riverside Press, 1967. First printings (stated) all; first edition thus. Near fine in near fine jackets.. Handsome set of the first printings (all) of the second US edition of the LORD OF THE RINGS trilogy, comprising THE FELLOWSHIP OF THE RING, THE TWO TOWERS, and THE RETURN OF THE KING — all review copies. Tolkien's Middle Earth grew not only from his experiences in World War I and studies as a professor of English Language and Literature at Oxford, but from his childhood hobby of constructed languages (conlangs). Tolkien argued in his essay "A Secret Vice" that "for perfect construction of an art-language it is found necessary to construct at least in outline a mythology" along with it. In other words, "your language construction will breed a mythology." Middle Earth sprang into being in part so that Tolkien could draw on a mature culture, history, and mythology for his beloved conlangs. As a result, we have Bilbo, Frodo,…