Unit 1. pt. A. Conceptual foundations. Preliminary terminological remarks -- Telepathy -- Clairvoyance -- Precognition -- Psychokinesis -- Experimental ambiguity and purity -- Experimental replicability -- pt. B. The data. Introduction -- PK -- Clairvoyance -- Telepathy -- Unit 2. pt. A. Psi and the philosophy of mind. Anomalous monism -- The myth of the internal mechanism -- Some comments on recent theoretical trends -- pt. B. The theory of synchronicity. Introduction -- How synchronistic explanations work -- Meaning and context -- The play of life -- Conclusion -- pt. C. The meaning of paranormal. Introduction -- Preliminaries -- Paranormality and basic limiting principles -- Paranormality and consciousness -- Some possible solutions