The Woman Behind the New Deal: The Life of Frances Perkins, FDR'S Secretary of Labor and His Moral Conscience

Catherine the Great: Portrait of a Woman

Matriarch: Queen Mary and the House of Windsor

Diana: Her True Story - In Her Own Words: The Sunday Times Number-One Bestseller

Revenge: Meghan, Harry and the war between the Windsors. The Sunday Times no 1 bestseller

The Taj Mahal: A History

Lady in Waiting: My Extraordinary Life in the Shadow of the Crown

The Six Wives of Henry VIII: Find out the truth about Henry VIII’s wives

Meghan and Harry: The Real Story: Persecutors or Victims

The Monarchy: A Critique of Britain's Favourite Fetish

Victoria: The Queen: An Intimate Biography of the Woman Who Ruled an Empire

A Royal Duty: The poignant and remarkable untold story of the Princess of Wales

The Quest for Queen Mary

The Tudors: The Kings and Queens of England's Golden Age

The Hollow Crown: The Wars of the Roses and the Rise of the Tudors

Courtiers: The Sunday Times bestselling inside story of the power behind the crown

Diana: In Pursuit of Love

Kings & Queens of England: A royal history from Egbert to Elizabeth II