From the author of the #1 best seller "The Joy of PHP" comes another great beginner's guide for those seeking to learn jQuery. jQuery is a programming language you can use to create cool web applications. It's free, powerful, simple to reference in your web pages, and now easy to learn too. You can get started quickly, and you won't outgrow it later when you get really good at it. Learning jQuery is well worth it the time and effort you put into it...