Barnes & Noble announced that it would give away a free Nook Simple Touch e-reader, which retails for $79, to any customer who buys its high-definition Nook HD+ tablet between March 24 and March 31.
Borders announced that it has expanded its partnership with Kobo, the maker of an e-reader that at $129.99 is about $10 to $20 less than the Kindle and Nook, respectively.