However a memoir by Meghan would likely be a publishing blockbuster: Prince Harry’s memoir Spare became the fastest-selling non-fiction book in history when it was published in Jan. 2023, with sales fueled by Harry’s willingness to trash his family. He is thought to have made over $20 million from the book.

Before the world knew Meghan Markle and Prince Harry were a couple, the two were keeping their budding romance carefully under wraps — and using secret "code" names to do it.