Dancing with the Devil: The Windsors and Jimmy Donahue

The Last of the Duchess: The Strange and Sinister Story of the Final Years of Wallis Simpson, Duchess of Windsor

17 Carnations: The Royals, the Nazis, and the Biggest Cover-Up in History

The Royal Mob

Matriarch: Queen Mary and the House of Windsor

Black Diamonds: The Downfall of an Aristocratic Dynasty and the Fifty Years That Changed England

The King in Love: Edward VII's Mistresses

That Woman: The Life of Wallis Simpson, Duchess of Windsor

Backstairs Billy: The Life of William Tallon, the Queen Mother's Most Devoted Servant

The Duchess of Windsor: A Memoir

The Big Spenders: The Epic Story of the Rich Rich, the Grandees of America and the Magnificoes, and How They Spent Their Fortunes