The sources added that Harry’s old military buddies are also worried.

Meanwhile, one royal expert claims that the book will likely be filled with bombshells.

Will Harry spill major secrets in his memoir?

Prince Harry at an event.

The Mirrorreports that Prince Harry’s upcoming memoir may be juicier than we thought.

It seems the book has the potential to be a real page-turner if Harry chooses to spill secrets.

“So he is going to be encouraging Harry to be very honest.

Prince Harry waves to fans

And Harry, I think, doesn’t need much encouragement these days,” she added.