Resources
Here are some relevant links reflecting the content in all of the chapters.
Preface
Chapter 1: Mozilla as Platform
Chapter 2: Getting Started
Chapter 3: XUL Elements and Features
Chapter 4: Using CSS in Mozilla
Chapter 5: Scripting Mozilla
Chapter 6: Packaging an Application
Chapter 7: Extending the UI with XBL
Chapter 8: XPCOM
Chapter 9: XUL Templates
Chapter 10: RDF, RDF Tools and the Content Model
Chapter 11: Localization
Chapter 12: Remote Applications
Appendix A: Getting and Building the Mozilla Source
Appendix B: Development Tools
Appendix C: Programmer's Reference