Described as ‘half man, half devil’ by the Parliamentarians, Prince Rupert of the Rhine, Charles I’s nephew and commander of the Royalist forces in exile, was truly a man of two halves. Although nicknamed Prince Robber and renowned as a brutal general, dashing cavalier and Royalist pirate, Charles Spencer reveals the hidden side of Prince Rupert. He was a scientist, classical scholar and respected statesman too: a true Renaissance prince.