The Second Edition of Introduction to Corrections provides students with a strong, comprehensive foundation in the field of corrections using modern research, theoretical origins, and practical application. Designed for introductory corrections courses, this text uniquely illustrates how the day-to-day practitioner conducts business in the field of corrections, in both the institutional and community settings. Experienced correctional practitioner, scholar, and author, Robert D. Hanser shows students how the corrections system actually works, from classification, to security, to treatment, to demonstrating how and why correctional practices are implemented.