Harry’s claims in his book “Spare” as well as his 2020 move to California with his wife, Meghan Markle.Christopher Andersen, author of “The King,” alleges that the Prince of Wales, 41, is still fuming over Harry’s 400-page memoir.“William is still simmering with resentment over ‘Megxit,’ not to mention Harry’s unflattering portrait of him in ‘Spare,’” the royal expert claimed to Fox News recently.Andersen went on to note what the Duke of Sussex, 38, had penned about William, reiterating that Harry portrayed him as his “arch-nemesis.”In the book, Harry also alleged that he was left bruised after William flung him to the floor following a fight they had two months before he and Markle, 41, left the royal family.The Duke of Cambridge reportedly called the former “Suits” actress “difficult,” “rude” and “abrasive” at the time.Harry then fired back that he was only trying to combat the negative press the couple had endured.“Harry is still obviously upset that William was given a free ride because he is the heir – that William got away scot-free with doing many of the same things Harry was excoriated for,” Andersen claimed. “William is doing a marvelous job of compartmentalization.