Who is Julia in this story?

Julia is a determined, sizzling and famished individual who is the protagonist of the novel. She is smarter than anybody else is and in school, she is ahead of her years because she is extremely intelligent. She loves reading books than any other member of her family. She is determined to succeed despite the challenges ahead of her. After the death of her sister, Olga, she relocates to live in New York as a renowned writer to pursue her career.