He has lived his whole life in the public eye, yet he remains an enigma. He was born to be king, but he aims much higher. A landmark publication, Charles: The Heart of a King reveals Prince Charles in all his complexity: the passionate views that mean he will never be as remote and impartial as his mother; the compulsion to make a difference and the many and startling ways in which the heir to the throne of the United Kingdom and fifteen other realms has already made his mark.