Each chapter contains several links to related resources, articles, tutorials, tools and examples that I think would be useful for you to check out. It's certainly easier to click on a live link than painstakingly type out a URL that you're copying from a printed book, so here's a compendium of all the links from each chapter.

Chapter 1: The CSS3 Lowdown

Chapter 2: Speech Bubbles

Chapter 3: Notebook Paper

Chapter 4: Styling Images and Links by Type

Chapter 5: Improving Efficiency Using Pseudo-classes

Chapter 6: Different Screen Size, Different Design

Chapter 7: Flexing Your Layout Muscles