PB101 is a self-study course about the prevention field. The course provides participants with an introduction to the prevention field, including the need for prevention services, prevention history, the evolution of prevention science and an introduction to evidence-based prevention. This self-paced course takes approximately 3 hours to complete. A self-study guide will be mailed within 7-10 business days to participants upon registration. This course will be offered only until June 30, 2012.