You can go to this page www.sparkpeople.com/bonus/home.asp
Log in with your SparkPeople username and password.
Go to the "Join Us Online" section (page 221 in US hardcover edition; page 223 of the US paperback edition; end of Track 10 on Disc 4 of your audio book; page 214 of your Nook version eBook; location 2597 of your Kindle version eBook) to find the special access code for bonus materials.
Enter the code on our website. You will then receive your SparkPoints and gain access to our Book Bonus Site.
Hope that helps.