How the Irish Saved Civilization (Hinges of History Book 1)

The Gifts of the Jews: How a Tribe of Desert Nomads Changed the Way Everyone Thinks and Feels (Hinges of History Book 2)

Desire of the Everlasting Hills: The World Before and After Jesus (Hinges of History Book 3)

Mysteries of the Middle Ages: And the Beginning of the Modern World (Hinges of History Book 5)

Sailing the Wine-Dark Sea: Why the Greeks Matter (Hinges of History Book 4)

Heretics and Heroes: How Renaissance Artists and Reformation Priests Created Our World (Hinges of History Book 6)

A Brief History of Ireland

In Search of Ancient Ireland: The Origins of the Irish from Neolithic Times to the Coming of the English

How the Scots Invented the Modern World: The True Story of How Western Europe's Poorest Nation Created Our World and Everything in It

For the Love of Ireland: A Literary Companion for Readers and Travelers

The Story of Ireland: A History of the Irish People