![FILE PHOTO: Britain's Prince Harry and Meghan, Duchess of Sussex, arrive for the annual Commonwealth Service at Westminster Abbey in London, Britain March 9, 2020. REUTERS/Henry Nicholls/File Photo](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/P4RVGXRDVD6I25FKPRWVZYDVGU.jpg?smart=true&auth=a81486e6286a155c210906fce88a5431732a4b416a0fd5dd3134c2e381a91041&width=400&height=225)
Prince Harry and Meghan's allegedly fractious relationship with the royal family is laid bare in new book 'Battle of Brothers'. Reuters
Prince Harry and Meghan's allegedly fractious relationship with the royal family is laid bare in new book 'Battle of Brothers'. Reuters
'Battle of Brothers': new book says royals 'failed to learn' from Meghan Markle
The book compares the actress to Princess Diana, but also says she has a 'dangerous level of self-belief'