Inside William and Charles' Secret Tantrums

A new book shares insight into the surprising behavior and expectations of Prince William and King Charles

- Isley Zegas

In the book, a former Kensington Palace maid reveals that "Kate had to explain [to William] many of the things that parents outside the royal family do with their children," like how to give a piggyback ride.

From the outside, the royal family has always appeared to be the epitome of class and calmness.

But according to revelations in a new book by Tom Quinn,