Table of contents : Title Page Table of Contents Foreword About the Authors Acknowledgments Introduction Rails Configuration and Environments Routing REST, Resources, and Rails Working with Controllers Cookies, Session Management and the Flash Action View & Haml Active Record Migrations Working with Active Record Active Record Associations Working with Queries Validations Advanced Active Record Forms Internationalization All About Helpers Authentication and Authorization Security Caching and Performance RSpec Background Processing Active Storage Action Mailer and Action Mailbox Asset Pipeline Component-Based Views JavaScript Notes