The Silmarillion. Tolkien began working on the story in 1917. It was the first book he ever wrote and the last one to be published. His son, Christopher Tolkien, edited his father's work and it was published in 1977, four years after his father's death.
Four of J.R.R. contemporaries are/were Robert E. Howard, H. G. Wells, Edgar Rice Burroughs and to a certain degree, H.P. Lovecraft.
The Silmarillion
The "JRR" in JRR Tolkien stands for John Ronald Reuel, which are the author's full first name and two middle names.
There is not a singular novel by JRR Tolkien, as he wrote many. A few that I can name off the top of my head, (And that I love) Are The Lord of the Rings: The Fellowship of the Ring, The Lord of the Rings: The Two Towers, The Lord of the Rings: The Return of the King, The Hobbit, and Unfinished Tales. I'm sure I missed a lot.
he liked to write.
JRR Tolkien is a renowned author known for The Hobbit and The Lord of the Rings. He also wrote the Children of Hurin and The Simmilarion.
JRR Tolkien himself illustrated the first editions of The Hobbit. Other editions have been edited by various people.
Gandalf
World War 1
His first novel was Skellig.
Cup of gold was his first successful novel
Not a Penny Less, not a penny more was Jeffrey Archer's First novel. It was also a successful novel which makes it his first successful novel.