Delving into the intricacies of traditional Welsh poetry, Edward Anwyl's Prolegomena to the Study of Old Welsh Poetry offers a comprehensive examination of the strict verse forms that have shaped Welsh literary heritage since the later Middle Ages. The book explores the twenty-four metrical forms written in the intricate style of cynghanedd, highlighting the cultural significance of the awdl and the cywydd, two of the most enduring and expressive forms in this tradition. With insightful comparisons to the Greek epigram and the Japanese haiku, Anwyl reveals the depth and sophistication of the englyn, one of the oldest and most evocative Welsh verse forms. This work provides essential context for understanding the evolution and enduring relevance of Welsh poetry, offering readers a profound appreciation of its unique contributions to the world of literature.