It's engaging and revealing enough about our present challenges regarding people who endorse Christianity but do not commit to it. In line with Kierkegaard, Nietzsche, Ray Comfort and what I criticize (where each of them are unrelated to one another other than the common religion), Christians have become weak in commitment onto faith and are inhibited and obstructed by fear of man from man, meaning many Christians are afraid of offending another man's feelings and thus, cowardly appeal to their emotions rather than the will and their possible transgressions of Law.
The book gives important point about making believers and Christians conscious of Law of God and how the Law is used to measure the depth of sin, rather than stating the obvious that sin exist due to transgression of the Law. In them being conscious of the Law, they become conscious of the depth of their own sins which likely results in sense of guilt and the desire to confess. This is conviction. Making them commit to repentance, to regret their sins and correcting their actions in according to their own sins, is to convert them. The book lays this out quite well.
Too many churches and communities only preach about love, peace and joy (and who can deny wanting these things?), removing the importance of judgment, Law, sins and plausible transgressions. They preach about these things in fear of offending anyone and preach them ad nauseum. It ought to be mostly about the Law and judgment and least about grace, love and mercy, as the book writes.
It gives quite the relating and realistic anecdotal and imaginative scenarios so to connect with the Biblical Laws, content and meaning, and their intended purposes.
All in all, it's a decent book about pressing issues in nowadays faithless and weakly faith world, pointing out that too many Christians have become quite docile, weak and afraid of commitment and staying passively away from triggering anyone, and how to deal with it.