This is the first web page I've ever made, and I'm extremely proud of it. It is so cool!
The book is located at Andy Harris' Dummies
right here
The validator works great. Nu Html Checker is an alternative with a more recect date (18.10.5).
Another great resource: HTML Tidy — can be used to fix your pages can be used online or can be downloaded. It is useful even though it has shortcomings.