15 books • 3 series
A Coven of Cats
Rethinking the Ancient Druids (New Approaches to Celtic Religion and Mythology)
Sacred Britannia
Bog Bodies Uncovered
The Celtic Myths
Caesar's Druids
Boudica Britannia
Exploring the World of the Druids
The Quest for the Shaman
An Archaeology of Images
Seeing the Wood for the Trees (Papurau Ymchwil Canolfan Uwchefrydiau Cymreig a Cheltaidd S., #17)
Celtic Wales
Celtic Art
Celtic Goddesses
Gods of the Celts (Archaeology S.)