CSS3: The Missing Manual, 3rd Edition
Excellent coverage of all CSS3
Pros: Concise, Easy to understand, Accurate, Well-written, Helpful examples
Best Uses: Expert, Student, Novice, Intermediate
Describe Yourself: Developer
This book has been a pleasure to read. CSS3 has brought some great enhancements to the plain old CSS and this book does an excellent job of covering that.
This book has 650 pages and that might sound intimidating. However, the language and the flow has been so friendly that you could literally pick something that interests you and get a deep coverage.
If you want to learn everything about CSS3, go out and pick this book. You will not regret it.