This book covers the history of the liturgy and Christianity from the first century to the present day. Although this is a large time span, Foley breaks down each chapter into several concentrations. Some examples include architecture, music, vessels, and books used in worship. Each catergory is then broken down into sub-catergories that focus on specific objects, clothing, structures, and other aspects specific to the liturgies. Through the format of this book, it is easy for one (especially one who is not at all familiar with the history of the liturgy or Catholic Church) to follow it through the centruries. This is a good starting point for those that want to learn about the geographical setting, the major religious figures, and the evolution of the liturgy. For others, this book will allow one to look more deeply at the role and evolution of specific liturgical practices through the descriptive details and numerous pictures--including maps, architectural layouts, and music from each century. This is a great book for all!