Now also free @
B&N and
Christian Book (not available to Nigerians*).
* Though possibly, any interested Nigerian e-reader users could contact a great many someones via PM to ask them to get the freebie in their own accounts which they will then reimburse by transferring e-book-buying gift certificates (of which there is a rich stock which they need to transfer out of the country due to political insecurity) into the account of said someones once all the account details are turned over, as a means of thanks for allowing access to those accounts for the purpose of aiding the Nigerians to securely obtain their e-books.