The Rival Queens: Catherine de' Medici, Her Daughter Marguerite de Valois, and the Betrayal that Ignited a Kingdom

Catherine the Great: Portrait of a Woman

The Rebel Empresses: Elisabeth of Austria and Eugénie of France, Power and Glamour in the Struggle for Europe

The Age Of Revolution: 1789-1848

Daughters of the Winter Queen: Four Remarkable Sisters, the Crown of Bohemia, and the Enduring Legacy of Mary, Queen of Scots

The World of Yesterday: Memoirs of a European

Revolution Song: A Story of American Freedom

The American Heritage History of World War I

Hitler and the Habsburgs: The Fuhrer's Vendetta Against the Austrian Royals

Chasing Venus: The Race to Measure the Heavens

George III: The Life and Reign of Britain's Most Misunderstood Monarch

Strange and Obscure Stories of the Revolutionary War

The Enlightenment: Reason, Tolerance, and Humanity

Budapest: Between East and West

Secret Lives of the Tsars: Three Centuries of Autocracy, Debauchery, Betrayal, Murder, and Madness from Romanov Russia

Revolutionary Summer: The Birth of American Independence

Germany: A History

The British Empire

The Scarlet Pimpernel

The Pursuit of Happiness: How Classical Writers on Virtue Inspired the Lives of the Founders and Defined America