He's dead, so he isn't writing anymore. He DID write fantasy books.
The Silmarillion.
Tolkien did not write his books at the Green Dragon pub. He was fond of spending time at the Eagle and Child pub in Oxford, where he would meet with his literary group known as the Inklings to discuss and share their writing.
Much of the base for the books comes from writing that became the Silmarilian, which Tolkien worked on for many years. He then wrote The Hobbit in the 1930's and the Lord of the Rings was done int eh 40's and 50's before publication. The Silmarillian was published after Tolkien's death by his son.
Tolkien intended for his books to be read and enjoyed by the world. The Silmarillion and some of his other works, however, where never completed or published.
Royd Tolkien is the great-grandson of J.R.R. Tolkien, the author of "The Lord of the Rings" books. Royd Tolkien is known for his work as a film producer and his involvement in sharing his family's legacy and stories.
They are considered Fantasy.
In England
J.R.R. Tolkien credited his mother, Mabel Tolkien, as a key influence in his love of books and learning. She introduced him to a wide range of literature and nurtured his imagination from a young age, setting the foundation for his future success as a writer.
His books are usually considered fantasy.
I believe it was published in 1954.
There have not been any published books that have used Tolkien's elven language. There are numerous 'fan' written stories that have used Elvish and some attempts have been made to write entirely in elvish, but none have been made available commercially.