The Nook allows you to share or lend a book to a friend. Just follow these steps.
1. Add the person who you wish to lend the book to under Settings > Contacts.
2. From the Home screen, tap my library.
3. Tap Go to My B&N Library. If Go to My Documents is the top option, you’re already in the right place and can skip this step.
4. Navigate to the ebook you wish to share. Keep it highlighted, don’t open the book.
5. Select View Item Details & Options.
6. Tap Lend.
7. Tap the person you wish to send the book to.