Hmm... can't say I know many novel series. For starters:
Zero no Tsukaima
Kamisama Kazoku
Then the Akahori Satoru series, such as:
Bakuretsu Hunter
Maze
NG Knight Lamune & 40
And finally, all the Nippon Ichi titles:
Disgaea (2)
Phantom Brave
Phantom Kingdom
Marl's Kingdom (if any exist)
