The Faded Map: Lost Kingdoms of Scotland
The Makers of Scotland: Picts, Romans, Gaels and Vikings
The Scots: A Genetic Journey
The Highland Clans
A New History of the Picts
A History of Scotland: Look Behind the Mist and Myth of Scottish History
The Sea Kingdoms: The History of Celtic Britain & Ireland
Scotland: The Story of a Nation
Saxons, Vikings, and Celts: The Genetic Roots of Britain and Ireland
Blood of the Celts: The New Ancestral Story