Alan Ford: I would recommend chapter 2 because :
It is basic enough for all to understand.
It probably gives idea how good book is.
It is not in middle of the book so we can learn something while we are waiting for book to arrives.
I would sugest making a set of practice questions. I am not sure why you didn't do that.
Thanks for making this book for us.
I don't always make ads but when I do they're tiny
Building a Better World in your Backyard by Paul Wheaton and Shawn Klassen-Koophttps://coderanch.com/wiki/718759/books/Building-World-Backyard-Paul-Wheaton