The practitioner's guide covers a broad range of community-based prevention strategies and approaches. It includes General Recommendations to guide program planning and implementation; "Lessons Learned" based on review and analysis of research and practice evidence categorized into six different prevention approaches; and Recommendations for Practice. The guide discusses the extent of the problem of youth tobacco use in the United States and provides general recommendations on how practitioners can have the greatest impact. It examines the effectiveness of economic interventions, counteradvertising, retailer-directed interventions, multicomponent school-linked community approaches, tobacco-free environment policies and advertising and promotion restriction interventions. References, appendixes