J. R. R. Tolkien members of the informal literary discussion group known as the Inklings. Tolkien was appointed a Commander of the Order of the British Empire by Queen Elizabeth II on 28 March 1972. After Tolkien's death, his son Christopher published a series of works based on his father's extensive notes and unpublished manuscripts, including "The Silmarillion". These, together with "The Hobbit" and "The Lord of the Rings", form a connected body of tales, poems, fictional histories, invented languages, and literary essays about a fantasy world called Arda and Middle-earth within it. Between 1951 and 1955, Tolkien applied the term "legendarium" to the
J. R. R. Tolkien unexplored stories based on J. R. R. Tolkien's original writings". Amazon will be the producer in conjunction with the Tolkien Estate and The Tolkien Trust, HarperCollins and New Line Cinema. Tolkien and the characters and places from his works have become the namesake of various things around the World. These include street names, mountains, companies, species of animals and plants as well as other notable objects. By convention, certain classes of features on Saturn's moon Titan are named after elements from Middle-earth. "Colles" (small hills or knobs) are named for characters, while "montes" (mountains) are named for mountains of Middle-earth.