The book titled Extracts of Courtiers: The Hidden Power Behind the Crown by Valentine Low — published by Headline Books — states that the Duke of Sussex, 38, tamed a "long-held" fear about becoming an "also-ran" (meaning one who loses a contest), fearing he'd be pushed out of the limelight as his nephew Prince George, now 9, grew up.
Besides touching base on Harry's insecurities, the book also details Markle's treatment of the staff, alleging that the Suits alum, 41, got too critical of a young female employee who was trying to present something on one occasion.
Prince William, 40, later tried to comfort the dejected employee, who burst into tears after being told by the future king that they did a great job.
More allegations in the book swirled around the Sussexes' treatment of the late Queen's former assistant private secretary, Samantha Cohen, who joined Meghan and Harry as their interim private secretary after marriage.
Per the book, the assistant was "bullied" by the new couple, as nothing she did was good enough for their expectations.
"Sam [Cohen] always made clear that it was like working for a couple of teenagers." a source noted. "They were impossible and pushed her to the limit. She was miserable."
The Sussexes' lawyers have denied such allegations and labeled them as "massively inacurate," noting that the two had always been grateful to Cohen for their support.
Cohen wasn't the only secretary to have been allegedly bullied by Meghan. Another supposed victim was her personal assistant Melissa Toubati — the reason being disagreements over gifts, clothes, jewelry, and candles that were sent to her by some companies.
Per the book, Touabti was only following a rule in the Royal Family, which states that they cannot accept gifts from commercial organizations. This code did not go too well with Meghan. Toubati could not continue her job for more than six months and decided to leave.
The book is scheduled for release on October 6. Sources spoke to Daily Mail.