An Unabridged Edition to Include: The Universal Belief in Them - Some Modern Instances - A Personal Experience - The Helpers - The Reality of Superphysical Life - A Timely Intervention - The "Angel Story" - The Story of a Fire - Materialization And Repercussion - The Two Brothers - Wrecks and Catastrophes - Work Among the Dead - Other Branches of the Work - The Qualifications Required - The Probationary Path -