Caught in the Revolution: Petrograd, 1917

After the Romanovs: the extraordinary lives of Russian exiles in Paris between the wars

Four Sisters: The Lost Lives of the Romanov Grand Duchesses

Queen Victoria: A Biographical Companion

Conspirator: Lenin in Exile

The Rebel Romanov

The Last Days of the Romanovs: Tragedy at Ekaterinburg

Victoria: The Heart and Mind of a Young Queen

The Race to Save the Romanovs: The Truth Behind the Secret Plans to Rescue Russia's Imperial Family

Joseph Stalin: A Biographical Companion

Magnificent Obsession: Victoria, Albert and the Death That Changed the Monarchy

Encyclopedia of Women Social Reformers: [2 volumes]

In Search of Mary Seacole: The Making of a Cultural Icon

Beautiful For Ever: Madame Rachel of Bond Street - Cosmetician, Con-Artist and Blackmailer

In Search of Mary Seacole: The Making of a Black Cultural Icon and Humanitarian

The Victoria Letters: The official companion to the ITV Victoria series

Capturing the Light: The Birth of Photography, a True Story of Genius and Rivalry

Capturing the Light: A Story of Genius, Rivalry and the Birth of Photography