Machu Picchu: The History and Mystery of the Incan City (Unabridged)
2024
Celtic Mythology and the Religion of the Ancient Celts (Unabridged)
2015
Odin: The Origins, History and Evolution of the Norse God (Unabridged)
2015
The Druids: The History and Mystery of the Ancient Celtic Priests (Unabridged)
2024
Chichen Itza: The History and Mystery of the Mayan's Most Famous City (Unabridged)
2024
Mesa Verde: The History of the Ancient Pueblo Settlement (Unabridged)
2015