[3] He wrote his first novel, Heart of Midnight, for the Ravenloft setting, soon after his hiring at TSR; other novels include Carnival of Fear for Ravenloft, Vinas Solamnus for Dragonlance, and the Planescape Blood Wars Trilogy: Blood Hostages, Abyssal Warriors, and Planar Powers.
I think when we write for the older, mainstream audience we tend to make it gritty to convince people that these aren't fairy tales but "real" fantasy.
"[2] Planar Powers, for which he won the 1997 Origins Award for best game-related fiction,[4] "is the third book in a very strange trilogy.
[2] He wrote a number of novels for the Magic: the Gathering setting, including Time Streams and a trilogy of the Phyrexian Cycle.
[5] and the second book in the tie-in novel series for ArenaNet's Guild Wars 2, Edge of Destiny.