Harry Potter and the Natural 20 Series by Sir Poley

Fandoms: Harry Potter, Dungeons and Dragons--------------------------------------------------An 11-year old D&D character is plunged into Wizarding Britain. Mild parody.

Fandoms: Harry Potter, Dungeons and Dragons--------------------------------------------------Sequel to Harry Potter and the Natural 20, in which Milo, a genre-savvy D&D Wizard and Adventurer Extraordinaire, is forced to attend Hogwarts and soon finds himself plunged into a new adventure of magic, mad old Wizards, metagaming, misunderstandings, and munchkinry.

Fandoms: Harry Potter, Dungeons and Dragons--------------------------------------------------The third book in Sir Poley's D&D/Harry Potter crossover fanfiction.