This is an exploration of the Celtic mythology. Examine the following: Celtic polytheism, Celtic deities, Irish mythology, Scottish mythology, Hebridean mythology, Tuatha D Danann, Mythological Cycle, Ulster Cycle, Fenian Cycle, British Iron Age religion, British mythology, Welsh mythology, Breton mythology, Mabinogion, Book of Taliesin, Trioedd Ynys Prydein, Druids, Bards, and Vates. This is part of a series that examines the development and history of various historical and religious concerns.