Barnes & Noble Nook BNRV350 User Manual page 59

To find out which of your friends have lendable books, use the Manage my NOOK Friends feature on the Social settings
screen.
NOTE: If you're enjoying a book sample or a book you've borrowed, you can purchase the book at any time.
Simply tap the Buy button at the top of any page in the book to purchase the book using your NOOK
account.
NOOK User Guide 59