https://play.google.com/store/apps/details?id=com.bn.nook.audio
Customers who download the new NOOK Audiobooks App between November 18, 2014 and January 31, 2015 will receive two (2) free selected NOOK Audiobooks. NOOK account and credit card registration are required to redeem offer. To redeem, download the NOOK Audiobooks App from Google Play or the NOOK Store, select the Shop tab from within the NOOK Audiobooks App and follow the instructions to select your two (2) free titles. You have until January 31, 2015 to select both audiobooks. Offer must be redeemed before 2:59 a.m. Eastern time on February 1, 2015 or will be forfeited. Offer may not be combined with any other promotion or discount and is subject to change or discontinuation without notice. No cash value. Void where prohibited.