The book "History of the Inquisition in Spain; Volume 1" by Henry Charles Lee is a detailed study of an important period of Spanish history associated with the activities of the Inquisition. In his work, the author examines the origin, development and influence of this institution on Spanish society. It examines the reasons for the creation of the Inquisition, its working methods, its relationships with other institutions and personnel, and the effectiveness of its measures. This book is an important source for understanding not only the history of the Inquisition in Spain, but also the broader map of European history and religious conflict. Thanks to the author's balanced analysis and objective approach, readers will have the opportunity to deepen their knowledge about this complex period of the past.