J. R. R. Tolkien publisher used the author's own cover art, maps, and full-page illustrations for the early editions of "The Hobbit". Much of his artwork was collected and published in 1995 as a book: "". The book discusses the paintings, drawings, and sketches of J.R.R. Tolkien and in total includes 200 reproductions of his art. In a 1951 letter to Milton Waldman, Tolkien wrote about his intentions to create a "body of more or less connected legend", of which "[t]he cycles should be linked to a majestic whole, and yet leave scope for other minds and hands, wielding paint and music and drama".
Languages constructed by J. R. R. Tolkien in the "History of Middle-earth" series, and the "Vinyar Tengwar" and "Parma Eldalamberon" material published at an increasing rate during the early 2000s from the stock of linguistic material in the possession of the appointed team of editors (some 3000 pages according to them), the subject of Tolkien's constructed languages has become much more accessible. David Salo wrote "A Gateway to Sindarin: A Grammar of an Elvish Language from J. R. R. Tolkien's Lord of the Rings" (University of Utah Press, 2007). Elizabeth Solopova, "Languages, Myth and History: An Introduction to the Linguistic and Literary Background of J. R. R.