On the dark side, the second part is only good for leisure reading, not for learning how to code. There are only two chapters of merely showing the structure of Peoplecode, without any tutorial, or exercises. Themes such as combining it with Crystal reports are missing. Its source code is not available, you have to type it! You can read more acid criticism by a more experienced reader at:
All in all, the book serves only as an introduction, you cannot use it to actually learn how to write code.