Standing astride the British landscape, looms the giant blue form of the Cailleach. Whether she is seen as a benevolent earth-shaping giantess, harsh winter hag goddess, shape-shifting crone, guardian of sacred wells and animals, or ancient bestower of sovereignty; the Cailleach appears in many roles and manifestations in myths and legends across the British Isles. Tracking the Cailleach across thousands of years through folklore, literature and place names, the authors have uncovered startling references which hint at a hidden priestess cult worshipping the Cailleach from ancient times through into the twentieth century. By exploring her myths and legends, they demonstrate the hugely significant role of the Cailleach in the early history of the British Isles. The demonization of the Cailleach through the Middle Ages by the Christian Church paralleled that of women and witches, and is reflected in various other supernatural hag figures possibly derived from her and discussed in...