Summary:

Chapters include: How These Things Are Known; The Planes of Nature; Clairvoyant Sight; Man's Vehicles; The Trinity; The Earlier Outpourings; The Animal Group-Soul; The Upward Curve; Human Consciousness; The Third Outpouring; How Man Evolves; What His Bodies Show Us; Colors and Their Meaning; The Counterpart; Early Stages of Man's Development; The Ordinary Person; Sudden Emotions; More Permanent Conditions; The Developed Man; The Health-Aura; and, The Causal Body of the Adept.