Battle of Brothers: William, Harry and the Inside Story of a Family in Tumult

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

The Crown: The Official History Behind the Hit NETFLIX Series: Political Scandal, Personal Struggle and the Years that Defined Elizabeth II, 1956-1977

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

The Taj Mahal: A History

Model Woman: Eileen Ford and the Business of Beauty

Meghan and Harry: The Real Story: Persecutors or Victims

Monarch: The Life and Reign of Elizabeth II

Lady in Waiting: The charming, word-of-mouth bestseller, with over 500,000 copies sold

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

The Monarchy: A Critique of Britain's Favourite Fetish

Catherine the Great: Portrait of a Woman

Traitor King: The Scandalous Exile of the Duke and Duchess of Windsor: AS FEATURED ON CHANNEL 4 TV DOCUMENTARY

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