"The Old Irish World" is a study of the ancient history of Ireland, written by the eminent Irish historian Alice Stopford Green. In this book, the author sheds light on the life and culture of the ancient Celts, examining their customs, beliefs and social organization. It describes in detail the origin and development of Irish society, religious rites and mythology. This book is an inexhaustible source of knowledge about the history of Ireland and its colorful past, which gave rise to modern Irish culture and traditions.