Charging the Sons of God to Obedience: Job, its primary goal a reprimand to Angels?

Angels struggle every day in a very real war not visible to mankind. But can and do Angels still fall from their first estate? Why was the Book of Job written - for mankind . . . or as a reprimand for Angels not to give up their first estate. And what happens if a Angel looking after me and you deserts . . . This book attempts to radically answer these questions more.