Still unsure about how to talk with your children about substance abuse? Numerous anti-drug agencies and organizations are standing by to help. Here are some of them:

 Substance Abuse and Mental Health Services Administrations/Center for Substance Abuse Prevention. (800) 729-6686, www.samhsa.gov

 Partnership for a Drug-Free America. (212) 922-1560, www.drugfreeamerica.org

 National Clearinghouse for Alcohol and Drug Information. (800) 729-6686, www.health.org

 White House Office of National Drug Control Policy. www.theantidrug.com, www.freevibe.com and www.whitehousedrugpolicy.gov/prevent/ondcpsports

 Community Anti-Drug Coalitions of America. (800) 542-2322, www.CADCA.org

 “Preparing for the Drug-Free Years: A Family Activity Book,” by J.D. Hawkins (Developmental Research and Programs, P.O. Box 85746, Seattle, WA 98145; $10.95).

 “Ten Talks Parents Must Have With Their Children About Drugs & Choices” Dominic Cappello and Xenia G. Becher. Hyperion, $13.95.