1. The Development of Panel Studies of Delinquency / Terence P. Thornberry and Marvin D. Krohn -- 2. Causes and Consequences of Delinquency: Findings from the Rochester Youth Development Study / Terence P. Thornberry, Alan J. Lizotte and Marvin D. Krohn -- 3. Delinquency and Crime: Some Highlights from the Denver Youth Survey / David Huizinga, Anne Wylie Weiher and Rachele Espiritu -- 4. The Development of Male Offending: Key Findings from Fourteen Years of the Pittsburgh Youth Study / Rolf Loeber, David P. Farrington and Magda Stouthamer-Loeber -- 5. Key Results from the First Forty Years of the Cambridge Study in Delinquent Development / David P. Farrington -- 6. Testing an Integrative Theory of Deviant Behavior: Theory-Syntonic Findings from a Long-Term Multi-Generation Study / Howard B. Kaplan -- 7. The Montreal Longitudinal and Experimental Study: Rediscovering the Power of Descriptions / Richard E. Tremblay, Frank Vitaro and Daniel Nagin -- 8. Understanding and Preventing Crime and Violence: Findings from the Seattle Social Development Project / J. David Hawkins, Brian H. Smith and Karl G. Hill -- 9. Common Themes, Future Directions / Marvin D. Krohn and Terence P. Thornberry