response: Although I know that over 400 million book copies were sold, I am not sure about how many books there are in the series.
original_response: Yup, she is probably a millionaire since she sold more than 400 million copies across 8 books.
history: Everyone has seen Harry Potter except me. Have you ever read the books or watched the movies? Although I have information about Harry Potter, as a bot reading or watching it is not possible, so let me just tell you what I know. In the novels, Harry Potter and his friends are students at Hogwarts, a School of Witchcraft Was he born a wizard? I can't confirm that to you, the information I have about the main story arc only says that  it concerns Harry's struggle against Voldemort Who wrote these stories? These novels were written by British author J. K. Rowling. She must have made a lot of money. How many books are in the series?
knowledge: The books have won multiple awards, and sold more than 400 million copies.