How will Duchess Camilla be affected by Prince Harry's memoirs?

I review an article where Queen Elizabeth II is most 'worried' about Duchess Camilla ahead of Prince Harry's bombshell memoir. Prince Harry was a young boy when his parents' marriage ended in divorce. Camilla was named a a third party. Now Camilla and Charles are married, she is Duchess of Cornwall. No doubt Harry will recount his childhood. How will this affect Camilla as she prepares, upon Queen Elizabeth's death, to take the throne alongside Prince Charles? What will Harry say and how will the public react? I also compare these events to the high moral stories of English literature and discuss the concept of the Divine Right of Kings.