This book investigates the evolution and impact of preaching in Ireland from the early medieval period to the dawn of the modern era. Raymond Gillespie, a noted historian of Irish social and religious history, draws upon a wide range of primary sources, including sermons, ecclesiastical records, and personal accounts, to reconstruct the practice and significance of preaching. The work argues that preaching served not only as a spiritual guide but also as a crucial medium for shaping social, political, and cultural identities across centuries of profound change.

This scholarly work is recognized for its comprehensive scope and detailed examination of a long and complex period in Irish religious history. Scholars likely appreciate its rigorous use of primary sources and its nuanced argument regarding the multifaceted role of preaching. The book is positioned as a significant contribution to the understanding of Irish ecclesiastical and social history.