Four Sisters: The Lost Lives of the Romanov Grand Duchesses

An African History of Africa: Instant Sunday Times bestseller and shortlisted for the Nero Book Awards

Crossing the Floor: The Story of Tariana Turia

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

The Great Game

The Last Days of the Romanovs: Tragedy at Ekaterinburg

Team of Rivals: The Political Genius of Abraham Lincoln

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

Conflict: The Evolution of Warfare from 1945 to Ukraine

Queen Victoria: A Biographical Companion

Stuff Matters: The Strange Stories of the Marvellous Materials that Shape Our Man-made World

The Boyer Brothers of Baseball

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

The Command of the Ocean: A Naval History of Britain 1649-1815

Caught in the Revolution: Petrograd, 1917

The Arabs: A History – Third Edition

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

Citizens: A Chronicle of The French Revolution

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

Maria Theresa