Did Harper Lee childhood friend dill write a book?

Harper Lee's childhood friend, Truman Capote, was a famous author and did write books. He is known for works like "Breakfast at Tiffany's" and "In Cold Blood".

However, it's important to clarify: Dill is a character from Harper Lee's novel "To Kill a Mockingbird", and not a real person.

It's likely that the character of Dill is based on several people from Harper Lee's childhood, but Truman Capote was one of the most prominent inspirations.