This book is good for pastors to read. It's also good for those who are considering a denominational change. If you are a young pastor, this book will help you understand church government and the model that best fits your leadership style. Each scholar articulates his position well, and all four views are supported by Scripture. No one view appears to be against Scripture. Churches in the First and Second Century may have varied in their approaches, according to the authors. And it's obvious that God uses all four models today. The four are described here but may be summarized in three.
Episcopalian is "hierarchical" with the bishop ordaining each priest or rector in the local church. This model includes churches such as the Catholic Church, Anglican Church, Episcopalian Church, the United Methodist Church, and some Lutheran groups.
Presbyterian is "representative" with presbyters or elders providing the oversight of local churches and pastors. This model includes the Presbyterian Church (USA), Christian Reformed Church, the Assemblies of God, and others.
Congregational is "independent" with the pastor providing the oversight of the local church without any external ecclesiastical authority (or regional district) as found in the other two models. This model includes churches such as the Southern Baptists, General Baptists, Churches of Christ, and other independent churches. (The fourth view is an offshoot of this model but with a plurality of pastors as the authority instead of a single pastor).
If you are considering a denominational change, particularly for leadership reasons, then this book is a must read. It gives insight into how denominations function and why. It will confirm which model best fits your style and goals. Some pastors enjoy climbing ecclesiastical ladders within a denomination, while others enjoy their exclusive focus on the local church. It may save some pastors years of frustration fighting red tape, while birthing vision in others who desire to oversee a region of churches. It is well written and researched.