The King Arthur books (The Warlord Chronicles) are now available for the Nook ereader.
Click on this link to read about the King Arthur books (The Warlord Chronicles), now available for the Nook ereader, on the Nook Blog at Barnes and Noble: http://bookclubs.barnesandnoble.com/t5/The-NOOK-Blog/Guest-Author-Bernard-Cornwell/ba-p/1269553
The three books of the Warlord Chronicles are available on Kindle at Amazon.com:
The Winter King (http://www.amazon.com/Winter-King-Novel-Arthur-ebook/dp/B006WOVK52/ref=ntt_at_ep_dpt_10)
Enemy of God(http://www.amazon.com/Enemy-God-Novel-Arthur-ebook/dp/B006WOVIRC/ref=pd_rhf_se_p_t_1)
Excalibur (http://www.amazon.com/Excalibur-Novel-Arthur-ebook/dp/B006WOVIWW/ref=pd_sim_kstore_2?ie=UTF8&m=AG56TWVU5XWC2).
The books are also available at itunes:
The Winter King (http://itunes.apple.com/us/book/isbn9781250017369 )
Enemy of God ( http://itunes.apple.com/us/book/isbn9781250017383 )
Excalibur (http://itunes.apple.com/us/book/isbn9781250017376)