https://www.theguardian.com/books/2017/dec/31/the-100-best-nonfiction-books-of-all-time-the-full-list https://www.theguardian.com/books/2015/aug/17/the-100-best-novels-written-in-english-the-full-list https://www.theguardian.com/books/2019/sep/21/best-books-of-the-21st-century