Getting Started with OAuth by Ryan Boyd

This book is an introduction to OAuth 2.0, an authentication and authorization protocol for the web. If you're a web application developer or mobile app developer, this book will show you the power of using OAuth to determine the identity of your users and get delegated access to their data to improve the user experience of your app. Use cases and code examples covering many popular APIs and identity providers are included.
Binding: Paperback / softback