There are hundreds of novels based on the role playing game Dungeons and Dragons. At first D&D was published by TSR, they got bought out by Wizards of the Coast in 1997. Novels are generally based in campaign settings of the D&D universe. However the novels are open to general audiences (you don't have to play the game to understand the novels.) The best selling settings are Dragonlance and Forgotten Realms, the other settins are: Birthright, Dark Sun, Eberron, Greyhawk, Kara-Tur, Mystara, Planescape, Ravenloft, and Spelljammer. Dungeons and Dragons: Birthright novels