Celtic Manuscripts in relation to the Macpherson hoax, a review of Professor Freeman's criticism of [PB Du Chaillet's] The Viking Age, by Roger, James Cruikshank, author of Celticism - A Myth, reveals the complex interrelationships between Irish and Scottish manuscripts of the Middle Ages and the exceptional importance of studying them for understanding Celtic culture. The author carefully analyzes Macpherson's infamous deception and highlights Professor Freeman's views on the "Viking Age" by P.B. Du Chaillet. This book will be a very valuable resource for those who value the study of the history and culture of the ancient Celts, will help solve the greatest mysteries of the medieval world and look into the most mysterious corners of the Celtic heritage.