Gift Cards can be added directly to your account from your NOOK Device.
On most NOOK Devices, there is a Shop section in the Settings or NOOK Settings page. Open the Gift Cards page in Settings and, if necessary, tap Add Gift Card.
You will be prompted to enter the Gift Card number and four-digit PIN. Tap Submit to add the Gift Card to your account.
For NOOK GlowLight Plus:
1. Tap the Profile icon in the upper left corner of the screen
2. On the Account screen that comes up, tap Manage Gift Cards
3. Tap Add New Gift Card
4. Enter the Gift Card number and PIN in the appropriate fields
5. Tap the check mark in the keypad to submit
