Four-time New York Times bestselling author who penned biographies called The Secret Letters of Marilyn Monroe and Jacqueline Kennedy, Prince Charming: The JFK Jr. Story, True Grace: The Life and Times of an American Princess, and Patrick Swayze: One Last Dance.
Before moving into the celebrity biography game, she authored a 1978 book called What makes a woman GIB (good in bed).
She co-authored the memoir Shirley Jones and the book Life with My Sister Madonna. She created an erotica series called The Unraveled and was well known as a ghostwriter.
She married twice in her life. She died after falling off her balcony in what was determined to be an apparent suicide with evidence of Wendy being distraught after the passing of her mother Marion Leigh.
Arnold Schwarzenegger attempted to sue her for alleging that the former California governor held pro-Nazi views in her book Arnold: The Early Years (The Unauthorized Biography).