Recollection may vary, but the facts do not. That’s something that was lost on Princess Diana’s brother in his new book about his sister’s life - which managed to squeeze in a mistake about Piers Morgan amongst its bombshell claims about the King. The former Daily Mirror editor is now suing Earl Spencer and calling for the book to be pulped, despite Diana's sibling apologising over the error. So, what checks take place when a memoir is written? And why does the format allow people to publish unproven claims? Niall is joined by the journalist Helen Brown, who writes about culture for The Telegraph. Have you got a question for Niall? Email us: [email protected] #royal #diana #piersmorgan SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on X: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews Follow us on TikTok: https://www.tiktok.com/@skynews For more content go to http://news.sky.com and download our apps: Apple https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB Why not listen to one of our podcasts? This is Why, available for free here: https://podfollow.com/thisiswhy or Ed Conway's Stuff Matters, available here: https://podfollow.com/stuff-matters To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales