Books

The Celts The Celts
1997
Britain Begins Britain Begins
2012
The Celts: A Very Short Introduction The Celts: A Very Short Introduction
2003
Druids: A Very Short Introduction Druids: A Very Short Introduction
2010
By Steppe, Desert, and Ocean By Steppe, Desert, and Ocean
2015
Exploring Celtic Origins Exploring Celtic Origins
2018

Audiobooks

Druids : A Very Short Introduction Druids : A Very Short Introduction
2021
The Scythians : Nomad Warriors of the Steppe The Scythians : Nomad Warriors of the Steppe
2020
The Ancient Celts The Ancient Celts
2019
By Steppe, Desert, and Ocean : The Birth of Eurasia By Steppe, Desert, and Ocean : The Birth of Eurasia
2021
Europe Between the Oceans : 9000 BC-AD 1000 Europe Between the Oceans : 9000 BC-AD 1000
2023