Drawing from the classic conception of angels as messengers of God, this guide provides examples of folkloric wisdom about how these spirits work in the human world and offers advice about recognizing angels and strengthening personal connections with them. Cultural sources offer evidence of faith in angels and insight into specific angels' deeds, including paintings from ancient Sumeria, engravings on headstones, Bible stories, ancient myths, and religious doctrine. Practical spiritual advice details how to make contact with angels, recognize the qualities of angels, and invite them into one's life.