"Of all that was offered to Princess Caroline in the years that followed, two mattered above all others: first Love. For Sophie Charlotte was both an elder sister and a foster mother to her. And second Knowledge. For in the palace was a great library, to which Caroline was given a key by one of the wise men: a Doctor who was the Queen’s mentor and advisor. She spent every minute that she could in that library, doing what she loved most, which was reading books.