If you can develop a website with HTML, writing a Facebook application with the help of this book will be easy. Beneath the surface, to be highly sophisticated, with a development toolkit which itself includes a modified version of HTML - FBML - to customize the look and feel for your application. With FBML Essentials, you not only learn how to get started with this toolkit, you also get a complete reference on every FBML tag Facebook has ever written, with examples of how each tag and advice on how best to use the tags you code . This book covers: A walkthrough of a sample application for the design rules for using images, CSS, JavaScript, and forms specific chapters on tags - authorization tags, logic tags, user / group tags, profile-specific tags, and more Messaging and alerts using FBML Creating forms with FBML Notices navigation up and requests Dynamic FBML attributes, including MockAJAX How to test your FBML code A chapter on FBJS, Facebook version of JavaScript If you want to try your hand at writing applications for Facebook, you have a willing audience, a toolkit that is easy to use, and the perfect guide to get you started.