Harry Potter Fanfiction: Riddle Returns

Severus Potter was an ordinary wizard. Well, ordinary except for the fact that his grandfather was the great Harry Potter, who saved the entire wizarding world in the Second Wizarding War by defeating Voldemort, or Tom Riddle in the final Battle of Hogwarts. But now, it is feared that He-Who-Must-Not-Be-Named has returned. As the grandson of the Boy Who Lived, Severus and his friends Fred Weasley and Richard Longbottom must do their best to hold back the forces of evil until Jenny Lupin can return with the final piece of the original artifacts: Godric Gryffindor's sword.