This publication is part of a project of the Community Information Exchange to identify alcohol and other drug prevention strategies that have been tried and tested by community-based organizations. It contains complete case studies of model projects, the full listing of all technical assistance providers and funders, and abstracts of written materials developed for this project. Each case study presents the project, its setting, development, funding, and lessons learned. The projects included in this document are: (1) Abbortsford Crime and Drug Prevention Project; (2) Alternative Activities for Youth; (3) Community Responses to Drug Abuse; (4) Comprehensive Community Prevention; (5) Fighting Back!; (6) Great Grandville Avenue Graffiti Cover-Up; (7) Operation P.O.P. (Push Out the Pusher); (8) The Circle Keepers; (9) Wilmington Cluster Against Substance Abuse; and (10) Youthworks. (NB)