Historically, angels have been viewed as either disconnected objects of speculative investigation, or as mystifying beings mysteriously influencing our lives. However, this is not how the Bible describes them. Scripture, in sober and straightforward terms, simply describes what angels do. It is a practical depiction, a pastoral presentation. We see messages of encouragement, revelation, and guidance; we see judgment and correction; we see strengthening; we see journeying; we see prayer and...