More behind-the-scenes tales of the British monarchy's residences, looking at Queen Elizabeth II added the Royal Gallery to Buckingham Palace after swathes of it were damaged by bombs during the Second World War. Kate Williams explores the make-up used in the Elizabethan court, including arsenic, beetles and the urine of a small boys, and also reveals how George III was imprisoned and tortured in Kew Gardens to hide his mental decline and how Holyrood Palace became the nerve centre of the Jacobite Rebellion.