Good Omens ($1.99 Kindle, B&N), by Neil Gaiman and Terry Pratchett, is the Nook Daily Find, price matched on Kindle (it was already discounted to $3.99 as part of the Monthly $3.99 or Less Sale).
http://www.amazon.com/dp/B0054LJGWS/?
http://www.barnesandnoble.com/w/good...=9780061991127