A practitioner recounts diary-based narratives and case studies documenting investigations into psychic phenomena and occult practices. The text describes séances, automatic writing and planchette experiments, and observations on astral light, protective vibrations, sorcery, possession, elementals, and animal-related phenomena. It combines practical experiments and theoretical reflection with reader guidance for those who possess psychic sensitivities, and addresses topics such as incense, the sexual aspects of the afterlife, and Eastern occult traditions. The overall approach is explanatory and anecdotal, aiming to clarify obscure phenomena through cautious analysis rather than sensationalism.