""The Four Ancient Books of Wales"" by William F. Skene is a seminal work that delves into the medieval Welsh manuscripts known as the ""Four Ancient Books."" Skene, a pioneering scholar of Celtic literature and history, meticulously examines these manuscripts-The Black Book of Carmarthen, The Book of Aneirin, The Book of Taliesin, and The Red Book of Hergest-providing detailed translations, annotations, and historical context. Through his comprehensive analysis, Skene sheds light on the rich literary tradition, folklore, and cultural heritage of Wales. He explores the significance of these manuscripts in preserving Welsh mythology, poetry, and genealogies, offering invaluable insights into the lives and beliefs of the Welsh people during the early medieval period. Skene's work remains an indispensable resource for scholars, students, and enthusiasts interested in Welsh literature, history, and Celtic studies, ensuring the enduring legacy of the ""Four Ancient Books of Wales.""