The book "Welsh Nationality and How Alone to Be Saved: A Sermon" written by the author William Gabriel Davies, is a study and analysis of Welsh national identity and ways of salvation. In his work, the author examines the uniqueness of the Welsh as a nation, their history, culture and mentality. According to modern realities, Davis will try to find out why the Welsh are becoming more and more lonely in the world, and how it is possible to find a way of salvation for this unique nation. This book will help readers to better understand the Welsh spirit, principles and values that reflect the centuries-old history and current state of this nation.