I will add to this after tonight's Fireside Chat
Books to Read or to Refer:
I Am Not Afraid: Demon Possession and Spiritual Warfare, by Robert H. Bennett
Others that are good (not that I agree with all their opinions):
99 Answers to Questions about Angels and Demons and Spiritual Warfare, by B.J. Oropeza
Angels, Elect and Evil, by C. Fred Dickason
Wizards that Peep, A Journey Into the Occult, by Siegbert W. Becker
Biblical Demonology, A study of Spiritual Forces at Work Today, by Merrill F. Unger
For you liturgical and patristic types:
The Angels and Their Mission, by Jean Danielou
The Angels and the Liturgy, Erik Peterson
For you that lean towards the Roman denomination:
Roman Ritual and Christian Burial, Exorcisms, Reserved blessings, Etc, (Latin and English) published by Preserving Christian Publications, Inc., Boonville, New York.
