Introduction; Part I. The Dreams of the Ghost-Seers: 1. The haunted mind, 1750–1850; 2. Seeing is believing?: Ghost-seeing and hallucinatory experience; Part II. A Science of the Soul: 3. Ghost-hunting in the Society for Psychical Research; 4. Phantasms of the living and the dead; 5. The concept of hallucination in late-Victorian psychology; Epilogue: towards 1920; Appendix; Bibliography.