ActivEpi Web: A Free Multimedia Online Epidemiology Textbook.  Ideal for high school students, ActivEpi Web includes 15 lessons with narrated instructional expositions that use video and animation; interactive study questions and quizzes; and homework exercises. ActivEpi Web can be accessed at http://activepi.herokuapp.com. The author’s website at www.activepi.com provides further details about ActivEpi Web and includes free Power Point instructional materials. David Kleinbaum, Ph.D., professor emeritus of epidemiology at Emory University and developer of ActivEpi, said, “Epidemiology is very relevant for high school students because it provides a realistic practice-based approach to understanding the underlying concepts and methods of scientific research and because healthcare affects everyone.”  For more information, contact Dr. Kleinbaum at  dkleinb@emory.edu.