Strange. They are always on mine. You can always get them at the on line store.
You're looking in the wrong place. Look in The Daily on Friday, Saturday, and Sunday. Also check out the Unbound Blog right here in these forums: http://bn.com/unbound
An even better resource is the Free NOOKbooks thread in this very forum: http://bookclubs.barnesandnoble.com/t5/NOOKbook-Discussion/Free-NOOKbook-summary-thread-please-no-OT/m-p/768338#M17045
thank you doug!
You're the best!