The book is dedicated to religious buildings in Preiļi town and the territory of Preili District. The compact format of the book gives the reader an insight into the history and splendid interiors of these buildings and by tradition contains evidence also of those buildings and works of art that are nowadays lost or displaced yet remain significant to Latvian architecture and history of art.
Content of the book is based on materials, less known to wider society, from the Monuments Documentation Centre of the State Inspection for Heritage Protection and includes documents form the Archives of the Monument Board collected before the Second World War as well as information from other document repositories and publications of academic research.