"But Sir Isaac Newton has charge of the Mint! I have been studying it," Sophie said proudly. "When I’m Queen of England we shall all go to the Tower of London and see it." Then she slapped her knee, meaning it was time to get up. For it was absolutely raining now, and search parties had probably been sent out from the Palace. Caroline got to her feet and gave Sophie an arm, helping her up off the bench. Meanwhile Sophie went on, "Sir Isaac has reformed the English coinage, which was the world’s worst, and now it is the best."