Starting today and running to the end of the month, Barnes & Noble has every book in the Harley Firebird series included in their BOGO 50% sale.
To access the sale, head here: https://www.barnesandnoble.com/h/coupons-deals. Scroll down to the BOGO 50% Off sale, then click on the See All link, just under the heading.
Scroll to find the books you want.
Enjoy your browsing!
Taylen.