Barnes & Noble NOOK
Barnes & Noble
NOOK Audiobooks
BookFunnel
BookFunnel.com
B&N NOOK App for NOOK Devices
Libby, by OverDrive
OverDrive, Inc.
BorrowBox Library
Bolinda digital
Kobo Books
cloudLibrary
Bibliotheca Ltd
OverDrive
SimplyE
New York Public Library