The statistics are sobering: between 80 and 90 percent of kids who have grown up in the church are leaving the church after age eighteen. Children slipping away into a culture that tells them the Bible isn't true, sin is no big deal, God isn't real, or there are many ways to get into heaven. Whether parents may blame themselves or the culture, the result is the same: lost souls.

But our God specializes in lost souls and the gospel is as powerful as it ever was. With wisdom that comes from personal experience, Jim Putman and his father, Bill Putman, offer brokenhearted parents and loved...