Sentinel and Arbiter now available for Nook Got a Barnes & Noble Nook? Sentinel and Arbiter are both now available on your device! Grab Sentinel for the Nook >> Grab Arbiter for the Nook >> By Jamie Foley|2017-05-17T09:35:21-06:00May 29th, 2015|Blog|0 Comments Share This Story, Choose Your Platform! FacebookTwitterPinterestEmail Related Posts Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.