Are there any Agency books in the list? I couldn't find any after a quick look.
In any case, be very careful. B&N's prices for some titles are very expensive compared to Amazon's. Example:
http://www.barnesandnoble.com/w/witc...01303785&itm=7
http://www.amazon.com/Witches-East-B...2052271&sr=1-1
BN $12 .... Amazon $3.99
We Need to Talk About Kevin is BN $13.50 and Amazon $9.00
The Prince of Tides BN $9.89 Amazon $7.59
Nemesis BN $16.90 Amazon $9.86