Follow the link above and click on the banner.
You will see the book in your cart (Simon & Schuster).
Enter the code bellybutton in the promo box to make the book free with free shipping!
Disclaimer: This is not a paid or sponsored post. I like to share offers/samples that I sign up for myself. I always check them out first and only post offers/samples that are legit or appear to be legit to the best of my ability. I cannot guarantee them as they do not come from me. Sign up at your own responsibility.