Both of these authors are famous educators, researchers, and hard-nosed activists in the field of preventing youth violence, with a proven track record of great success in the field, and national visibility in major broadcast and print media, including frequent appearances on Good Morning America, Nightline, the PBS News Hour, ABC News, the New York Times, The Boston Globe, and elsewhere. Deborah Prothrow-Stith M.D. is Associate Dean for faculty development and Professor of public health practice at the Harvard University School of Public Health. Dr. Smith is also Commissioner for the Department of Public Health for the Commonwealth of Massachusetts, and, with Dr. Spivak, one of the leaders in the famous Boston Youth vioilence prevention program as documented in the JB/Wiley professional book Murder is No Accident. Howard R. Spivak M.D. is Chief of the division of general pediatrics and adolescent medicine and Vice President for community health programs at New England Medical Center in Boston, Massachusetts. He is also Professor of pediatrics and community health at Tufts University School of Medicine.