First published in 1911-this is a replica of the 1917 second edition-this classic work is considered by many the best work on the spiritual and mythological history of the Celtic peoples. Rolleston, a seminal scholar in the literature, explores:• the Celts in ancient history• the religion of the Celts• the Irish invasion myths• the early Milesian kings• tales of the Ultonian cycle• tales of the Ossianic cycle• and much more.Anyone intrigued by the history and culture of Britain, Ireland, and Wales should consider this essential reading.Irish writer and editor THOMAS WILLIAM HAZEN ROLLESTON (1857-1920) published some 168 books, including *Poems and Ballads of Young Ireland* (1888), *Life of Lessing* (1889), and *The High Deeds of Finn Mac Cumhail* (1910).