Kenneth Jackson examines nature poetry that was produced in Ireland and Wales in the twelfth and thirteenth centuries.

John Arnott MacCulloch's 'Celtic Mythology & The Religion of the Ancient Celts' is a comprehensive exploration of the religious beliefs and myths of the ancient Celts. The book delves into the rich tapestry of Celtic mythology, discussing the gods, goddesses, and sacred rituals that formed the core of Celtic spirituality. MacCulloch's writing style is scholarly yet accessible, making this book a valuable resource for anyone interested in Celtic culture and history. Drawing on a wide range of sources, including ancient texts and archaeological evidence, MacCulloch paints a vivid picture of the spiritual world of the Celts and its significance in their daily lives. This book is a must-read for anyone seeking to deepen their understanding of Celtic spirituality and mythology.