The book is divided into four sections that could easily be the basis for a four session class or discussion. Section One is the best part. These two chapters are easily worth the price of the book. The presence of cell groups do not make a cell church.
Some churches add cell groups to the other programs and think they have become a cell church.
In Chapter 2, Finnell deals with community. Cells exist because Christianity was never meant to be lived in isolation, but rather in relationship. God, in the Trinity, exists in community. Jesus chose 12 apostles in order to live in the context of community. It is a network of relationships where we become responsible to and for each other.