Susan Echaore-McDavid has over 16 years of publishing experience and has authored, co-authored, and edited more than 50 books since 1982. She has written Career Opportunities for Law Enforcement, Security and Protective Services. She resides in California. She is a best-selling author, columnist, and teacher. She has written more than 15 books, including Encyclopedia of Ghosts and Spirits, Encyclopedia of Witches & Witchcraft, and Encyclopedia of Angels.