Book excerpt: Criminology: The Essentials, Third Edition, by Anthony Walsh and Cody Jorgensen, introduces students to major theoretical perspectives and criminology topics in a concise, easy-to-read format. This straightforward overview of the major subject areas in criminology still thoroughly covers the most up-to-date advances in theory and research. In the new full-color Third Edition, special features have been added to engage the reader in thinking critically about concepts in criminology.