You're on the home page now, where you'll find site news and updates. 

The Books page has a link to the main page of each of my books.  From there you can get to a summary of each book, an excerpt, and links to any free downloads related to the book.

Free Stuff lists all of the free downloads on the site, organised by type.  All of the files from the individual book pages are here, as well as anything not related to a specific book.

Blog has information on how to get to my Wordpress.com blog (or just click here).

Buying has links to all the places you can buy my books.

And if you get lost, the Site Map will help you.