Contents: Introduction: Psychedelics, page 1. Glossary, page 4. Legal Aspects of Drug Use, page 7. Medical Aspects of Drug Use, page 8. Social Aspects of Drug Use, page 11. The Psychedelic 'Experience', page 16. A Successful Trip, page 16. An Unsuccessful Trip, page 17. Counsel and Information, page 19. Conclusions, page 20. Bibliography: Psychedelics, page 21. Introduction: Amphetamines / Barbiturates, page 25. Legal Aspects, page 25. Medical Aspects, page 26. Amphetamines, page 26. Barbiturates, page 27. Sociological Aspects, page 28. Counsel and Information, page 30. Bibliography: Amphetamines / Barbiturates, page 30. Originally published in 1967. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.