* Is it a fictional story, a biography, a scientific essay, or something else? Knowing the purpose of the book will help narrow down the genre.
* What is the book about? Is it about Einstein's life, his theories, or something else entirely?
* Who is the author? The author's background and writing style can also give clues about the genre.
Once you provide more details, I can help you identify the genre of "An Audience with Einstein."