1920. Partial Contents: Harmonious conditions; Fear and how to banish it; Subconscious; Spirit world; Health of mediums and psychics; Self and soul culture; Cultivation of spiritual gifts; Psychometry; Human aura; Color and its interpretation; Symbolism; Telepathy; Clairvoyance; Dreams; Automatic writing; Crystal gazing; Spiritual healing; Cultivation of sensitiveness; Trance; More and less developed spirits; Obsession and insanity; Prayer, concentration and silence; Self projection; Apparitions; Haunted houses; Hypnotism; Personal magnetism; Prophecy vs. fortune telling; Reincarnation; Ethics of spiritualism; What happens after death; Bad and perverted uses of spiritualism; Snares and pitfalls; Materialization; Advanced studies.