The Harry Potter series of books, combined, are over 1,000,000 words in length.

The answer is True because the Harry Potter series of books, written by J.K. Rowling, is indeed over 1,000,000 words in length when all the books are combined. The series consists of seven main books, with each book having a significant number of words. Additionally, the books progressively increase in length as the story unfolds, with the later books being much longer than the earlier ones. The intricate and detailed storytelling, along with the extensive world-building, contributes to the overall length of the series, solidifying its status as an epic and substantial literary work.