Getting Started
Here are some book titles which I have found to be most useful in helping me learn about CSS. You can find these books at your favorite bookstore. As is the case in just about anything you want to learn and become proficient with, it helps to gather knowledge from several sources for a balanced look at the in's and out's of a given topic. I would be remiss not to acknowledge the fine authors of the books below in helping me learn the tricks of the trade.
"Beginning CSS Web Development" by Simon Collison (Apress Books).

The book that got me started with CSS
Simon takes CSS and makes it fun to learn with a witty sense of humor and useful examples to show how to apply CSS to Web pages. I could not think of a better book to get my feet wet with CSS and it will be a book I turn to for reference in my future work. Image courtesy of Apress Books.
More CSS
"Pro CSS Techniques" by Jeff Croft, Ian Lloyd and Dan Rubin (Apress Books).
A further look at CSS and some industry best practices.
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"Pro CSS Patterns" by Michael Bowers (Apress Books).

Some templates and patterns to get you up and running fast.
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