I. Overview of Hallucinogens

1. The Pharmacology of Psychedelics, David E. Nichols & Charles D. Nichols

2. Plants for the People: The Future of Psychedelic Therapies in the Age of Biomedicine, Dennis J. McKenna

3. Anthropology, Shamanism, and Hallucinogens, Michael Winkelman

4. A Short, Strange Trip: LSD Politics, Publicity, and Mythology—from Discovery to Criminalization, Maria Mangini

5. History of the Use of Hallucinogens in Psychiatric Treatment, Torsten Passie

II. Neuroscience of Hallucinogens

6. Human Neuroimaging Studies of Serotonergic Psychedelics, Enzo Tagliazucchi

7. Memory Reconsolidation in Psycholytic Psychotherapy, Jim Grigsby

III. Individual Hallucinogens

8. LSD, Kristine Panik & David E. Presti

9. Psilocybin, Stephen Ross, Silvia Franco, Collin Reiff, & Gabrielle Agin-Liebes

10. Therapeutic Potential of Fast-Acting Synthetic Tryptamines, Rafael Lancelotta & Alan K. Davis

11. Mescaline, Will Van Derveer

12. MDMA, Michael Mithoefer & Annie Mithoefer

13. Therapeutic and Social Uses of MDMA, Scott Shannon, Rob Colbert, & Shannon Hughes

14. Biological and Psychological Mechanisms Underlying the Therapeutic Use of Ayahuasca, Dráulio Barros de Araújo, Luis Fernando Tófoli, Stevens Rehen, & Sidarta Ribeiro

15. The Ibogaine Project: Urban Ethnomedicine for Opioid Use Disorder, Kenneth Alper

16. Salvia divinorum, Ana Elda Maqueda

17. Ketamine, Gary Bravo, Robert Grant, & Raquel Bennett

IV. Therapeutic Considerations

18. Set, Setting, and Dose, J. C. Callaway

19. The Use of Music in Psychedelic Therapy, Mendel Kaelen

20. The Role of the Guide in Psychedelic-Assisted Treatment, Mary Cosimano

21. Comparative Phenomenology and Neurobiology of Meditative and Psychedelic States of Consciousness: Implications for Psychedelic-Assisted Therapy, Milan Scheidegger

22. Adverse Effects, Kelan Thomas & Benjamin Malcolm

V. Indications and Purpose

23. Utility of Psychedelics in the Treatment of Psychospiritual and Existential Distress in Palliative Care: A Promising Therapeutic Paradigm, Anthony P. Bossis

24. Classic Psychedelics for Treatment of Alcohol Use Disorder, Michael P. Bogenschutz & Sarah E. Mennenga

25. Psychedelics in the Treatment of Addiction, Matthew W. Johnson

26. The Treatment of Depressive Disorders with Psychedelics, Dave King & Jonny Martell

27. Hallucinogens in Headache, Emmanuelle A. D. Schindler

VI. Mystical/Religious Experiences and Philosophical Considerations

28. Mystical/Religious Experiences with Psychedelics, William A. Richards

29. Philosophical Considerations Concerning the Use of Hallucinogens in Psychiatric Treatment, Candice L. Shelby