"Insula of Saints and Teachers; or, the Ancient Schools and Scholars of Ireland" is a study by the famous Irish historian John Healy, which tells about the development of education in Ireland in the Middle Ages. The book describes in detail the architecture, organization and teaching methods of Irish colleges and monastic schools, where many thinkers, scientists and saints acquired knowledge and education. The author talks about the contribution of Irish schools and scientists to the development of European culture and science and reveals little-known facts about educational institutions and scientists in Ireland. This book is a valuable resource for understanding the history of education and spirituality on the island."