Reading Pragmatic Unit Testing

I'm reading "Pragmatic Unit Testing: in C# with NUnit", I'm in the introduction chapter.
The table of contents is the following:

1. Introduction
2. Your First Unit Tests
3. Writing Tests in NUnit
4. What to test: The right-BICEP
5. CORRECT Boundary Conditions
6. Using MockObjects
7. Properties of Good Tests
8. Testing on a Project
9. Design Issues