Introduction to Criminal Justice, Seventh Edition, introduces readers to the field of criminal justice. The book is organized around three basic themes.This student-friendly introductory text describes the criminal justice process—outlining the decisions, practices, people, and issues involved. Dr. Travis Yates is one of the most prolific writers in law enforcement and one of the most popular speakers in the industry. I am a retired police lieutenant with 25 years of police experience and currently a school public safety officer. The PC affidavit is a summary of the evidence and circumstances of the arrest. I didn't see a verbal description of this book as "hardcover" or paperback. Cover design and price were similar to both cover styles. Hard Crackers: Your first book Meth Wars (NYU Press, 2016) deals with the role of methamphetamine in American culture. Crime enthusiasts, journalists, law enforcement professionals.