There's a novel where the main character is called Lin Han. There's an Emperor Brush, an Earth Emperor Book, and an Emperor Mirror. Who knows what it is?

Sorry, I don't know the name of this novel. However, according to the information you provided, the Emperor Brush, the Earth Emperor's Book, and the Heavenly Emperor Mirror are all mysterious items in ancient legends. They are usually described as having extraordinary strength and magical effects. These items were often depicted in novels as existences that could control fate and all things. Therefore, they might affect the fate of the protagonist, Lin Han, and the development of the story. If you have more information about this novel, you can try to provide more details. I will try my best to help you find it.