Includes bibliographies.

1. Pharmacology and classification: Clinical and psychological effects of marijuana in man, by A. T. Weil, N. E. Zinberg, and J. M. Nelson. Pharmacologic effects of marijuana, by F. H. Myers. 2. The issue of marijuana abuse: Use of marijuana in the Haight-Ashbury subculture, by J. F. E. Shick, D. E. Smith, and F. H. Meyers. An analysis of marijuana toxicity, by D. E. Smith and C. Mehl.--3. Marijuana as a social issue: Social and epidemiological aspects of marijuana use, by G. Geis. Marijuana use among the new Bohemians, by J. T. Carey. U.S. marijuana legislation and the creation of a social problem, by R. C. Smith.--Privacy and the marijuana laws, by M. A. Town. An approach to marijuana legislation, by W. H. McGlothlin.--5. [i.e. 4.] Marijuana as a political issue: Running out of era: some non-pharmacological notes on the psychedelic revolution, by M. Messer. Marijuana and the politics of reality, by E. Goode.