Secrets of the Stones

When Thomas discovers a strange stone covered with symbols and runes near Hadrian's Wall, he finds himself drawn into the mystery of a secret, ancient organization known as the Stewards. Consulting his fellow academics, the archaeologist is determined to learn more about this elite group and their apparent connection to extraterrestrial visits to Earth over the course of human evolution. The protagonist slowly unravels a hidden story of Alien influence, from early agricultural developments ...