[AUS] Free eBook - One of Six for Subscribing to Kindle's Daily Deal's Newsletter

Just received an e-mail giving one of 6 books for free for subscribing to the Kindle Daily Deal's newsletter. The books are:
Back to Blue Gum Flat: An Australian Rural Romance - Tea Cooper, Sharon Ketelaar
The Photographer's Wife - Nick Alexander
Killing Hope - Keith Houghton
Grady (Outback Heritage Book 1) - Ann B Harrison, Steven Novak
The Estate Series Box Set: (Books 1-3) - Mel Sherratt
Xenophobia - Peter Cawdron

Instructions are simple enough, from the website:

Sign up to the Kindle Daily Deals newsletter using the 'Subscribe' button directly below this and then check your email for a free promotional code. Once received, please follow the steps below to redeem your free eBook.

Step 1: Now that you have your free code, choose one of the 6 books below and click on the cover image.

Step 2: Once you land on the book's individual page, click onto the link that says 'Enter a promotion code' on the right hand side of the page (within the green box).

Step 3: Paste your code in the box that appears, being careful to paste it exactly as it's displayed in the email, as any extra spaces will produce an error message.

Step 4: Once you see the 'Success' message appear in the dropdown, the code has been saved to your account and you can close the box and proceed to the next step.

Step 5: Click the 'Buy now with 1-click' button at the top of the green box on the right hand side of the page. This will deliver your book to you for free. Check your Amazon.com.au order confirmation email, which will display the purchase price as $0.00. Happy reading!

Important: to be eligible for the free Kindle Book, you must subscribe to the Kindle Daily Deals newsletter, using the button on this page, before 31 January, 2016. You may redeem your promotion code anytime before 29 February, 2016.