Well, first, Alexander Chee might start by collecting his most significant life experiences and memories. Then, he'd need to find a way to structure them into a coherent narrative that engages readers.
To write an autobiographical novel, Alexander Chee could begin by making a list of key events and emotions in his life. After that, he should think about the themes he wants to explore and how to present them in an interesting way. Also, deciding on the point of view and the tone of the story is crucial.