We found this just a little while ago.
Save $10 off book purchases over $25* at Amazon.com website.
Enter promotion code HOLIDAYBOOK at checkout under "Gift Cards & Promotional Codes."
Here are some of the terms and conditions. * The offer is valid only on Print Books only. It excludes eBooks, Audiobooks, Book Rentals and Amazon Gift Cards. Offer only applies to products sold and shipped by Amazon.com. Limit one promotional code per customer and account. Maximum value $10. Promotion valid for a limited time, on orders placed November 24, 2016, at 12:01 a.m. EST and November 28, 2016, at 2:59 a.m. EST.
To review all the official terms and conditions, see the offer on Amazon website's Books page. There will be a promo image near the top of the page.
See you soon at Mt. Clemens Public Library!