HarperCollins is re-releasing The Last Kingdom with a new cover to tie-in with the TV series. The series will air on BBC America on 10 October 2015 beginning at 10pm ET.
The paperback book can be ordered from Amazon.com: http://www.amazon.com/Last-Kingdom-tie-Saxon-Stories/dp/006243862X or from Amazon.co.uk: http://www.amazon.co.uk/Last-Kingdom-Tie-In-Saxon-Stories/dp/006243862X