Functions of Spirit, slumbering spirit, spiritual imprisonment, depression, defilements, devils, death wishes, identifications and shrikism are discussed by John and Paula Sandford in this Transformation Series book.
See, I will send you the prophet Elijah ... He will turn the hearts of the fathers to their children, and the hearts of the children to their fathers... (Mal. 4:5-6) Jesus replied, “To be sure, Elijah comes and will restore all things. (Matt. 17:11)