Groups is a book that does what it sets out to do - a deep dive into small groups ministry in the local church. The authors bring a wealth of ministry experience to the book. Ministry books like this are not my favorite to read, but for churches that have small groups ministry (which would be most churches) it should be a valuable resource and I would recommend it.
Why only three stars? Well, three stars in Goodreads represents "I liked it." Aside from my earlier note about ministry books not being my favorite category to read, some of the book's claims were overstated. Here are two examples: "So goes groups, so goes the church. So goes the church, so goes groups." This couplet is repeated throughout the book as axiomatic. But is it really true? If so, then developing a healthy community groups ministry would have to be the first priority of a local church, before or along side of things like faithful preaching, worship, ordinances, biblical leadership, etc. (all those things are explicitly commanded). I think small groups ministries could be very important depending on the size of the church. But the Bible no where commands small groups. Small groups COULD be a wise vehicle to do some of the other things Christians are supposed to do (like all the "one anothers" and exercise of spiritual gifts). So I would put small groups in the category of useful strategy to do some of the things that the Bible requires rather than the thing that the Bible requires itself. Second, (and this is a lesser example) the biblical justification for using homes for small group ministry felt a bit forced. Jesus did some of his ministry in homes, but not all. The early church met in homes (when they were not meeting in the other places). But where else were such things to take place in that early context? Again, I think meeting in homes is wise and effective for a myriad of reasons (many of which are helpfully given in the book). Claiming scriptural warrant for meeting in homes felt more like prooftexting.