This text is for an introduction to corrections class. The premise of the book is to expose students to the importance of empirical data concerning corrections policies, program, and protocol. The text reviews the historical roots of corrections up to current issues within corrections in the U.S. The importance of evidence-based policy and planning past, present, and future are highlighted. The text engages students and encourages them to critically examine correctional policy in the hopes they will take this information and become effective and efficient correctional professionals.