Suppose 'Harry Potter and the Philosopher's Stone' is the first book in the Harry Potter series written by J.K. Rowling. The story follows a young wizard, Harry Potter, as he discovers his magical heritage and attends Hogwarts School of Witchcraft and Wizardry. The book was first published in 1997 and became a global phenomenon, leading to the successful film adaptation starring Daniel Radcliffe.
Can we infer that 'Harry Potter and the Philosopher's Stone' is a non-fiction book? Yes, no, or maybe?