One of the pieces in the World of Warcraft: Battle for Azeroth Collector's Edition is a book that serves to provide context for both Horde and Alliance factions and their perspective on the Burning of Teldrassil. The WoW site has been updated with a preview of both Elegy by Christie Golden (Alliance) and A Good War by Robert Brooks (Horde). The book will be available after BfA's launch in digital form.
In his haste to lecture his guards, Saurfang had done exactly what that boy had wanted. You just killed yourself, you old fool. He turned and flung himself back into the inn. An instant later, the ground shook as Malfurion Stormrage landed where he had been standing.
“Lok-Narash!” he yelled. To arms!
His advisors and tacticians were already forming a line in the common room, pulling him behind it and standing at the ready. Like many night elf buildings, this one had open walls on three sides, giving them a view of the chaos roiling outside. Siege crews scrambled away from Malfurion, only to fall from arrows and blades in their backs.
You can read excerpts and view two pieces of artwork on the World of Warcraft site.