http://www.gamesas.com/eng/news/pressrelease_042709-3.html
"We've been big fans of Greg's work for a long time, and we're thrilled he agreed to bring his talents to The Elder Scrolls," said Pete Hines, vice president of public relations and marketing for Bethesda Softworks. "We see these books as a natural extension of the franchise and think fans will love the stories and characters Greg has created."
The Infernal City is set after the events of The Elder Scrolls IV: Oblivion?, the latest game in the video game series, and finds the citizens of Tamriel once again facing an uncertain future. Floating high above the land is a strange and mysterious city that is casting a horrifying shadow ? wherever it falls, people die and rise again as undead. It is up to an unlikely duo ? a seventeen-year-old girl named Annaig and the Emperor's young son, Prince Attrebus ? to rescue the kingdom from doom. Annaig and Attrebus' quest will take them through the Elder Scrolls universe and their adventure is sure to add to the series' already magnificent
http://www.gamesas.com/bgsforums/index.php?showtopic=983446
http://www.gamesas.com/bgsforums/index.php?showtopic=983631
http://www.gamesas.com/bgsforums/index.php?showtopic=984032
http://www.gamesas.com/bgsforums/index.php?showtopic=1013535&st=0&start=0
As I mentioned before, until the book comes out it would seem we have no way of knowing how much of TES lore he actually knows. So looks like we need to wait.
Yes, there are many sites that go completely offline when updating, so that could be a possibility. Hopefully it is something of that nature.
We can hope.