Vestiges of the Natural History of Creation

A Distant Mirror: The Calamitous 14th Century

Achtung Panzer!

Clanlands: Whisky, Warfare, and a Scottish Adventure Like No Other

On Democracies and Death Cults: Israel and the Future of Civilization

The Blackhouse: The gripping start to the bestselling crime series (The Lewis Thrillers Book 1)

Men of Mathematics

Mary Queen of Scots

The Lewis Man: The much-anticipated sequel to the bestselling hit (The Lewis Thrillers Book 2)

The Clanlands Almanac: Seasonal Stories from Scotland

Rome and Jerusalem: The Clash of Ancient Civilizations

About Time: Surviving Ireland's Death Row

Women and the Irish Revolution

Amsterdam: A History of the World's Most Liberal City

How the Irish Saved Civilization

Titanic: The Tragic Story of the Ill-Fated Ocean Liner

Say Nothing: A True Story of Murder and Memory in Northern Ireland

Oathbreakers: The War of Brothers That Shattered an Empire and Made Medieval Europe

Homage To Catalonia

Escape from Baghdad: First Time Was For the Money, This Time It's Personal