An author.
Anne Bronte wrote a novel called 'Agnes Grey'.
Novelist (a writer of novels) or an author (a writer of books or stories).
That person is called the protagonist.
You can not write a novel by keeping your creative juices in your head. Also, you can not write a novel by writing a dictionary instead.
What Books did Agatha Christie write in 1934 ?
The first novel in the Maximum Ride series is called The Angel Experiment.
What's wrong with that? Anyone can write a Novel!
You can't write what some anonymous person on the internet tells you to write! Write what you are interested in -- otherwise you'll be too bored to even write!
He was going to start one called Marmion.
No, she also wrote a novel called "The Bell Jar".
Shakespeare did not write novels. Ever. The Tempest is not a novel. It is a totally different thing called a play.