Another ‘Clean' book — and the more you've read, the more you should know what to expect.
Craftsmanship talks heavily about TDD as a way to know/prove your code works, can be refactored reliably, and doesn't break anything unexpected. It's a good lesson, and does indeed lead to the concept of craftsmanship in development.
Towards the end, Bob gets into what should be the ethics/vows of the profession, which I can largely agree with.
If you haven't read Architecture, Code or Agile, this is a good place to start.